3х + 5
5x - 9
х =
Find the value that makes the quadrilateral a parallelogram

What is the range for 31,39,29,34,37,24,36,33,34,28

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?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.