What is the solution to this system of equations? 3x + y = 17 x + 2y = 49
a. it has no solution.
b. it has infinite solutions.
c. it has a single solution: x = 15, y = 17.
d. it has a single solution: x = -3, y = 26.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

What is the equation of a line that passes through points (0, 4) and (-4,-8)?