Find the HCF for

15 and 20

42 and 60

27 and 63

A yo-yo factory has fixed operating costs of $2500 per day plus costs of $1.50 per yo-yo produced. If a yo-yo sells for $4.75, what is the minimum number that must be sold in a day to earn a profit?

Garth has a summer job and earns $9.32 per hour. One week, he works 16 3/4 hours. He deposits $150 in a bank and decides to use the rest of the money to buy raffle tickets. Each raffle ticket costs $0.50. How many raffle tickets can Garth buy?

Albert multiplied a whole number by a fraction. The whole number is greater than one. The fraction is greater than zero and less than one. Which best describes the product of the whole number and a fraction?

The expression 5√3 - √27 is equivalent to

A soccer ball is kicked from ground level. The function y = - 12x (x - 6) shows the height in feet) of the ball, where x is time (in seconds). After how many seconds will the ball hit the ground? The ball will hit the ground in seconds.

Which statement belongs in the intersection of the Venn Diagram? A venn diagram is shown with one circle labeled perimeter and the other labeled area.

Does the equatoin 2x+6y=35 have any whole number solutions? Why or why not?

Greg went to the walmart to buy pencils and pens. each pencils costs $2 and each pen costs $3. he bought five items. he spent $12. how many pens and pencils did he buy?

a restaurant owner bought 6 boxes of disposable cups for $81 with each box containing 3741 cups if he wanted to divvy up the Cups among his 3 restaurants with with each restaurant getting the same number of cups how many cups of each do I get

A one month supply of multi-vitamins is $28. A two month supply is $49. How much money can a customer save by going with a two month supply?