The final cost of a bookstore purchase with a $5 coupon in a state that charges 8% sales tax is given by the expression. the variable x represents the amount of the purchase before the sales tax and the coupon is applied. 1.08(x−5) what does (x−5) represent? the rate at which the total cost increases the total charge after tax the total charge before applying sales tax the cost before applying the coupon

True or false look at the picture pls : /

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height