An elevator starts at the lobby and makes 4 stops. the positive numbers stand for going up, and the negative numbers stand for going down. what expression gives the total number of floors traveled during the 4 stops?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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

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.