#1 Yelena purchased four clothing outfits in a back-to-school sale. The outfits cost $23.11, $19.05, $33.54, and $28.

#1Yelena purchased four clothing outfits in a back-to-school sale. The outfits cost $23.11, $19.05, $33.54, and $28.76.[a] Estimate the total cost of Yelena's outfits (without sales tax) to the nearest dollar.[b] Calculate the exact cost of Yelena's clothing (without sales tax), and then round the total to the nearest dollar.#2Evaluate:#3[a] Find the prime factorization of 28[b] Find the prime factorization of 42[c] Find the GCF of 28 and 42[d] Find the LCM of 28 and 42#4[a] Multiply:[b] Divide:#5[a] Add:[b] Subtract:#6In the figure below, a semi-circle sits atop a rectangle. Use 3.14 for . [a] Find the perimeter of the figure.[b] Find the area of the figure.#7In the figure below, a circle in inscribed in a rectangle. The rectangle measures 10 inches by four inches. Find the area of the shaded part. Use 3.14 for .#8Arrange the following in order from smallest to largest. Be sure to show your work (or explain WHY).#9Write the ratio of   and   in simplest form.#10It takes me about five hours and forty minutes to correct the final exams for a class of 20 students. What is the rate at which I am checking each final exam?#11Johnson's Market sells a one pound six ounce box of cereal for $3.37. Bennion's Corner Market sells a 17 oz box of the same brand cereal for $2.58. Which is the better buy? Show your work to explain WHY (no work = no credit).#12Is the following proportional? Show your work to explain WHY (no work = no credit).#13How many inches are in three miles?#14Convert nine gallons to ounces.#15[a] Write   as a decimal.[b] Write   as a percent.#16[a] Write 16.5% as a decimal.[b] Write 16.5% as a fraction in simplest form.#17A robotic arm on a car assembly line can tighten a bolt in 5.2 seconds (counting the time it takes to move to the next bolt). How many bolts can the machine tighten in six hours? (Round your answer down to the nearest bolt and be sure to label your answer.)#18A pole's shadow measures   feet when the shadow of a yardstick right next to the pole measures 16 inches. How tall is the pole? #19[a] What number is 16% of 52?[b] 16 is what percent of 52?[c] 16 is 52% of what number?#20[a] A car that cost $16,750 last year costs $18,225 this year. What percent increase does that represent? Round your answer to the nearest tenth of a percent.[b] A coat was discounted from $223 to a sale price of $179. What was the percent of decrease? Round your answer to the nearest tenth of a percent.#21[a] Add:[b] Subtract:#22Find the measure of angles a, b, c, and d. For full credit, explain your thinking.#23[a] In the figure below, how many degrees are in the obtuse angle?[b] In the figure below, how many degrees are in the acute angle?#24Use the Pythagorean Theorem to find the length of the side marked with an x in the right triangle below. #25Below are the test scores for eight students. Calculate the mean, median, mode, and range of their scores.Paul96Courtney84Rashelle69Gerald68Bennion84Haile72Carole92Miranda43#26Below are the test scores for eight students. List the five-number summary of the data set.Paul96Courtney84Rashelle69Gerald68Bennion84Haile72Carole92Miranda43#27In the 2008 Olympic basketball game of the USA against Greece, the top five scorers for the USA team earned the points shown in the table below. Create a bar graph for this data set.Bryant18Bosh18Wade17James13Anthony8#28In the 2008 Olympic basketball game of the USA against Greece, the top five scorers for the USA team earned the points shown in the table below. Create a pie chart for this data set.Bryant18Bosh18Wade17James13Anthony8#29Simplify:#30Simplify: