Evaluate tan^-1(1)
Easy points!!

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

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Write the fraction or mixed number and the decimal shown by the model