what is the solution to the system of equations below?

y=3/4x-12 and y=-4x-31

a. (–4, –15)

b. (–4, –12)

c. (4, –9)

d. (4, –47)

Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.