Aswimming pool is 65.25 feet long and 40.5 feet wide. how much longer is the pool than it is wide?

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

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x