The sum of two numbers is 42, and one of the numbers is 5 times the other. find the two numbers.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.