9. which equation below is a line that is parallel to line ab
a. y=(-10/7)x-6 b. y= (7/10)x-6 c. y=(10/7)x+9 d. y=(-7/10)x+5

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)