How do you prove (3x+2)2 is equivalent to (3x+6)(3x-2)+16
i have tried expanding the brackets but i'm still really stuck
in advance

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

What is the base of 1/9 to the power of 2

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?