What is the solution to the following system? 4x + 2y – 2z = 1
2x + 8y + 4z = 32
30x + 12y – 4z = 24
a.(-2, 5, 1)
b.(-2, 6, -3)
c.(1,2,3)
d.(2,-4, 0)

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

On a architect's drawing of a house, 1 inche representa 1.5

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?