If 2^x = 5, what is 2^3x - 4?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

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.