HI I NEED HELP PLEASE Zero Product Property : 0=4x^2+5x (Work needed)

Complete the Square : 7x^2-3x=-10 (Work needed)

SQRT : 5x^2-60x=-30 (Work needed)

Quadratic Formula : (x-3)^2/2 + 4=18 (Work needed)

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

What is the volume of the sphere shown below with a radius of 3?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?