Find a number c such that the polynomial
p(x) = -x + 4x2 + cx3 - 8x4
has a zero at x = 1/4

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

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.