Really need help. Very confused.

Aldo gets paid biweekly. His gross pay for each pay period is $850. He has 16% withheld for taxes and 7% withheld for personal deductions. What is the amount of his annual net pay?

Explain if possible.

Solve the system of equations. y= 2x y= x^2 - 15

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2