20 of the students questioned chose maths,
and half of the rest chose pe.
d) how many of the students did not choose
maths or pe?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.