Can someone help me finger out my homework please

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

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.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.