7300 dollars is placed in an account with an annual interest rate of 7.75%. To the nearest tenth of a year, how long will it take for the account value to reach 26800 dollars?

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

We just started the introduction into circles and i have no idea how to do this.