What is the ratio of cosine of C?

A 24/7

B 24/25

C 7/25

D 25/24

For which rational expression is -2 an excluded value of x?

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)