If two cylinders are similar and the ratio between the lengths of their edges is 2: 5 what is the ratio of their volumes

I’m really confused and need to learn this

Solve 13 + w/7= -18 (w/7 is a fraction)

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.