If the boat does 2600J of work on the skier in the 45m, what is the angle between the tow rope and the center line of the boat?

Plss anybody know how to do this? ? i need the answers from a through d

Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?

The mini-refrigerator fire was most likely caused by what type of wiring?