Please help me please

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.