If lines joined each given point on the graph to the origin, which points would be on lines that represent a unit rate less than the one represented in the table? x
y
13
21
26
42
39 63

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?