Please help! I will give brainliest! Find the gravitational potential energy of a 30 kg box containing books that is lifted to a shelf 3 m high. Show your work for this calculation. Describe two ways the potential energy of this box could be changed. Use details to support your answer.

Fixed rate mortgage offer: purchase price: $170,000 down payment ($34k): 20% term: 30 years interest rate: 4.25% property tax (yearly): $1,500 homeowner’s insurance (yearly): $1,000 use this example from a fixed-rate mortgage calculator to you answer the questions. keep the page open after you complete this question. according to the calculator, the monthly payment demarco and tanya should anticipate paying for principal and interest is $208. $877. $669. $1,200.