How many 5-card hands can be dealt from a standard deck of 52 cards?

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.