What is the conclusion of the statement in the box below?
if x^2=4, then x =-2 or x=2

a x^2=4
b x=−2
c x=2
d x = −2 or x = 2

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

Find the maximum value of p= 4x + 5y subject to the following constraints :

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels