The problem of (-1)(-1)(-1) would be negative True or False

Asphere has a diameter of 10 in. what is the volume of the sphere?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field