Factor 2x2 − 24x + 72.
a. 2(x + 6)(x − 6)
b. 2(x + 6)2
c. 2(x − 6)2
d. can't be factored

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

What is the measure of angle x? answer