This is a a-f question, so it's kind of long, but i will definitely be making it worth your time if you could me out with it! you so much : )(reporting any wrong answers so don't post )

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?