4) Melissa and Trina are training for a marathon. This week, Melissa ran 3 fewer than twice as many miles as Trina. Together they ran 39 miles this week. Write and solve an equation to determine how many miles Trina ran.

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Which rule describes the composition of transformations that maps △abc to △a”b”c