If (-10,-37) and (1,-4) are two anchor points on the trend line, then find the equation of the line

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1