What are the solution(s) to the quadratic equation 98 - x^2 = 0?

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot

Three problems for 50 ! 1- -3t=99 2- 1/6k=-11 3- 4 1/2 +q=9 1/2 show work thx s !