24 girls are trying out for 12 spots on the cheerleading team. if you want to determine how many different groups of 12 girls can be created. would you use permutation or combination

Jamie went to home depot. she bought 25 bags of soil that cost $9 per bag. she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each. she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jame pay at the end?

Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?

Which shows a reasonable estimation for 124% of 42 using the distributive property?