A retired math teacher takes his grandson shopping. He tells his grandson that they can spend x dollars and x - 72.6 = 11. What operation does the grandson need to use to find how much money
they can spend?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

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.