Genie is a dental hygienist. She has 15 boxes of mint dental floss that have 16.4 yards in each box. She also has 11 boxes of waxed dental floss that have 49.4 yards
in each box. How many yards of dental floss does Genie have?

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?