Y varies jointly as x and z. When x=4 and z=2, then y=16. Find y when x=3 and z=3.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

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.

Write as a product of two polynomials. 2(3–b)+5(b–3)^2