What is the exact volume of the sphere? when it has a radius of 6.5ft

Plz hurry evaluate the expression a+b where a=8 and b=19

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36