Using a scientific calculator or graphing calculator find the inverse tangent of the ratio. Round to the nearest degree. 3/8 a.
21°
b.
22°
c.
68°
d.
37°

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

Solve 2x+y=3 x+y=5 in substitution method

Can some one me with these questions