Please help! 1. Is in the attachment 2. if you draw one card from a deck of 19 cards numbered 1-19, what is the probability that the card will be odd...

Please help!

1. Is in the attachment 

2. if you draw one card from a deck of 19 cards numbered 1-19, what is the probability that the card will be odd or divisible by 3?

3. a bag contains 9 red balls numbered 1,2,3,4,5,6,7,8,9 and 6 white balls numbered 10,11,12,13,14,15. One ball is drawn from the bag. What is the probability that the ball is red, give that the ball is even-numbered?

4.  if C(X)= 9x2 -8, find the following

a. C(0)=

b. C(-1)=

c. C(-5)=

d. C(-4/3)=

5. The profit function for a certain commodity is  P(X)= 180x-x2-2000. Find the level of production that yields maximum profit, and find the maximum profit.

X= _______ units

P= $ _________