Answer ASAP taking a test currently

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?