Please Help!! Quadrilateral HIJK is similar to quadrilateral STUV. What's the scale factor from HIJK to STUV?

A)
3

B)
2∕3

C)
1∕2

D)
1∕3

Kevin and randy muise have a jar containing 78 coins, all of which are either quarters or nickels. the total value of the coins in the jar is $13.90. how many of each type of coin do they have?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Twelve less than a number is at most 20