Mr. Mitchell lost 10 pounds over the summer by jogging each week. By winter, he had gained 5 ⅛ pounds. Represent this situation with an expression involving signed numbers. What is the overall change in Mr. Mitchell’s weight? HELP ME PL

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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.

Three consecutive integers have a sum of 234. what are the three integers