Creating production possibilities schedules and curves

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

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Find two numbers if their sum is 91 and the ratio is 6: 7?