Need help checking my solution

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need

What is the midpoint of np if n (1,9) and p (-5-1)