Plz help wit 1 3 4 i

Abbey purchased a house using a fixed rate mortgage. the annual interest rate is 4.2% compounded monthly for 20 years. the mortgage amount is $235,000. what is the monthly payment on the mortgage? this isn't a multiple choice question have to show my work

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2

Average acceleration: i have no idea how to do this.