Simplify (-2x - 9)(-4).

1.) -8 x + 36
2.) 8 x - 36
3.) 8 x + 36
4.) -8 x - 36

The parabola opens: y=√x-4 (principal square root) up down right left

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way