Matrix A has dimensions 3x4. Matrix B has dimensions 4x3. What dimensions will A*B have? A. 3x3
B.4x4
C.4x3
D. None. You can't multiply A*B

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much