Hallie subtracted a quantity from the polynomial 3y^2 + 8y - 16 and produced the expression (y + 2)(y - 2). what quantity did hallie subtract? explain how you got your answer.

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

What is the solution of log2  (3x  -  7)  =  3? 4 5

Write the pair of fractions as a pair of fractions with a common denominator