Why are there 282 people online and hardly anyone is anyone?

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

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Measures of the angle of r, 31 s (x+4) t (3x+9)