Please help A=(multiples of 3 between 20 and 30)
B=(odd numbers between 20 and 30)
C=(even numbers between 20 and 30)
A) List the members of A∪B

An equation where variables are used to represent known values—function notation true or false

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?

Collin did the work to see if 10 is a solution to the equation r/4=2.4