Help with this questtion it is 12th grade math. plz help

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute