Suppose that the functions g and f are defined as follows:
g(x)= (x-6) (x-5)

f(x)= 3x-8

find: (g/f)*(−1)

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Icould really use some with this question.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'