Solve the system of equations and choose the correct answer from the list of options. (4 points) x − y = 7
y = 3x + 12

a
2 over 19 comma 2 over 33

b
negative 2 over 19 comma negative 33 over 2

c
negative 19 over 2 comma negative 33 over 2

d
19 over 2 comma 33 over 2

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Explain how you can use the associative property to evaluate (7x50)x4.

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52