For which value of x is the equation 3(x + 2) + x = 2x + 16 true?
a) 2
b) 3
c) 4
d) 5

True or false? a circle could be circumscribed about the quadrilateral below.

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Which of the following represents the factorization of the trinomial below? x^2+7x-30