9 CHALLENGE Harris said that 15 × 9 is equivalent to 45 × 3 because you can multiplyone dimension by 3 and divide the other dimension by 3. His partner said that onlyworks when you double one number and halve the other. Who is right? Explain.

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.

What is the binomial expansion of (2x-3)^5

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o