Which expression represents the volume, in cubic units, of
the composite figure?
O #15)(13) - (57X12)
(52X(13) - 17 (52/25)
(52(13) + 1 (52)(12)
(52)(13) + (52)(25)

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Asap! i'm not good math and i'm lost.

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.