Ican't figure out how to distribute this

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?