guitar was originally priced at $100 but went on sale for 25% off. If Jeffrey bought the guitar and paid 8% sales tax, how much did he pay in total

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Find csc x if sin x + cot x cos x =√3 a. 9 b. 3 c. √(3)/2 d. √(3)

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.