Can you guys me with #3? i have no idea how to solve for x. the answer i keep getting isn't one of the options.

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079