Hello Guys, I’m extremely struggling on this question and if anyone can help I would be so grateful. Thanks!

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package