The length of a rectangle is equal to three times its width. if the perimeter is equal to 240, what is the length of the rectangle?

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

Find the difference (8ab+a+2) - (3ab+6)

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?