7-5p +3qwhen p =1 and q=7

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.