Derek applies grass seed to 2/5 acre in 3/4 hour. how many acres can derek cover per hour?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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.

Add the fractions and simplify 1/2+ 1/3