Melody spent $163 on groceries one week and $156 on groceries the next week. Estimate how much more she spent on groceries the first week by rounding to the nearest ten and then subtracting.

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

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.

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter