5d(4)
d = -2
What’s is the equation

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old