Without buying points, a monthly mortgage payment will be $1,250. Buying 1 point at closing would reduce the payment to $1,236. To the nearest year, how long would it take to break even by buying 1 point, with a $100,000 mortgage? a.
5 years
b.
6 years
c.
7 years
d.
8 years

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth