book Maths Puzzle Numerical Ability

A multipling procedure for 28x32.

Read Solution (Total 0)

book Other Question

A rectangle has sides of 3x-4 and 7s+10. Find the expression that represents its perimeter. Okay, I lied, I have one more:
Could someone please help me?
I really need help to reduce this problem into lowest terms by performing the indicated operation:
5/3a-9 -3/2a + 4/