Solve the equation
4x²+3xy= 2y²+80
3x²+xy=2y²+48

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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?

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.

Find the measurement of angle b in the following triangle