1. the solutions for the equation (x + 7)(x - 8) = 0 are (choose all that apply):
a. 7
b. 8
c. -7
d. -8
2. (3x - 1)(5x + 20) = 0. check all solutions for the equation.
a. 1/3
b. -20
c. -4
d. 1

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

This is so hard and it’s for a test

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.