Ikeep getting stuck near the end some pls.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

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