Pls help. i need the answer QUICK

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

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Through: (-3,-3) parallel to y= 7/3x+3