The two trapezoidal windows each measure 5 feet across, have outside edge lengths of 1 foot and inside edge lengths of 5 feet. what is the area of one window?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Hundred and tens tables to make 430 in five different ways