The school chorus has 52 students, which represents 26% of the seventh graders. How many total students are in the seventh grade? Pl help me

Factor this polynomial completely x^2-64

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

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.