What is the surface of this rectangular prism

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which of the following can be used to explain a statement in a geometric proof?