Find the area of a triangle with a base of 9.8 feet and a height of 4.2 feet. Find the area of a trapezoid with base sides of 59.7 meters and 72.

Need help on this math problems.1. Find the area of a triangle with a base of 9.8 feet and a height of 4.2 feet.2. Find the area of a trapezoid with base sides of 59.7 meters and 72.4 meters and a height of 31.4 meters.3. The backyard of a new home is shaped like a trapezoid with a height of 45 feet and base sides of 80 feet and 110 feet. What is the cost of putting sod on the yard if the landscaper charges $0.33 per square foot for sod?4. A piece of fabric for a quilt design is in the shape of a parallelogram. The base os 5 inches and the height is 3.5 inches. What is the total area of the 25 parallelogram pieces needed for the quilt?Thanks. I want to make sure I am doing these correctly