Damian has a mask collection of 500 masks. He keeps 64% of the masks on his wall. How many masks does he keep on his wall?

Which rational number could be graphed between -4 and -5

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b. false