Arectangle's width is twice as long as its length. if the perimeter is 36 in., find its length

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project