Which expression is a factor of 16x^2-81 I will mark brainliest

A: 8x-9

B: 4x-9

C:8x-81

D: 4x-81

What is the value of x? enter your answer in the box. (cm)

What could explain what happened when the time was equal to 120 minutes

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.