What is an equivalent fraction for 3: 11

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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?