Use the order of operations to simplify the following expression.

9 + - 4 × 2

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

If square root x = -7, then x= -49 true or false

Your company withheld $4,463 from your paycheck for taxes. you received a $713 tax refund. select the best answer round to the nearest 100 to estimate how much you paid in taxes.