If A={x | x is an odd integer}; B={x | x is an even integer}, C={2, 3, 4, 5}, and D={17, 18, 19, 20}, list the element(s) of the following set.
C ∪ D =

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?

Solve the equation for x. 50(4x + 12) = 200

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.