How do I enlarge a shape by -1.5?

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Which graph represents the linear function below? y-3=1/2(x+2)