Given abc with a as -4 negative two b as 4 4 and c as 18 negative 8 answer the questions 21 through 23

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad