6. The store paid $2.50 for a book and sold it for $5.25. What is the profit as a percent?

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

What ia the sum if the first 7 terms of the geometric series

Suppose you have 10 skittles. 5 green and 5 red. you choose 4 without looking. what is the probability that all 4 skittles will be green?