Help Please!Solve For Z.

Write a real-world solution that can be represented by the equation y = 7x be sure to explain what the variables represented in the solution

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

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq