A line y=mx+b passes through point (-2, 8) and is perpendicular to y=-1/2x+4. What is the value of B?

A.) 7

B.) 8

C.) 12

D.) 16

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

2/3(-6y+9x) expand each expression using the distributive property

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.