Please explain hahaaa

James purchased a $205,000 home with a 30-year mortgage at 5.78%. if makes a $1500 monthly mortgage payment, how many months early will he pay off his mortgage? a. 180 months b. 224 months c. 127 months d. 136 months

Nneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Which values for a and b will create infinitely many solutions for this system of equations? ax-y=8 2x+y=b