If 8 family members choose to play "Secret Santa," how many different ways can the names be paired? Clue: The answer is 10,000< x <30,000

Please help!

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?