A tank full of water is leaking at a constant rate for 30 minutes. The equation y=-7x + 300 gives the amount of water in the tank, where yis the number of liters and xis the number of minutes since the tank began to leak. Which statement is true?

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)