Why is the greatest common factor of two prime numbers always 1?

A cat has a litter of 6 kittens. You plan to adopt 2 of the kittens. In how many ways can you choose 2 of the kittens from the litter?

Is the following relation a function { (-1,1), (0,3), (-1,5), (2,7) }

A robot that makes _/8 of a boat per day will make 7 boats in 8 days

At a certain vineyard it is found that each grape vine produces about 10 lb of grapes in a season when about 500 vines are planted per acre. for each additional vine that is planted, the production of each vine decreases by about 1 percent.

Can you write a binomial in standard form with a degree of 0? Can you write a binomial with a degree of 3? Explain.

Marta drove 3/4 mile to the grocery store and then another 1/2 mile to her friend's house. If the trip home is 3/4 the length of the total trip to her friend's house, how far did Marta drive on the round trip?

A recipe for muffins calls for 2 cups of flour for each 1.5 cups of sugar. How much sugar should be used if 8 cups of flour are used?

Four balls of wool will make 8 knitted caps. How many balls of wood will malcom need if he wants to make 6 caps

480 hours is how many hours? Not looking for days

You reseal nine text messages in 12 minutes what is the rate of the text message per hour