Simplify the expression (combine like terms): 8.5 + 10x - 25 + 6y - 3.25x + 13.3y
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Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69

The dimension of the rectangular pool shown below are 40 yards by 20 yards

What classification best describes 5x+10y+15z=60 2x+4y+6z=60 x+2y+3z=60