Which expression should be used to estimate the answer to this story problem? travis planned to watch 4 dogs while his neighbors were out of town for a week. each dog would need to eat 612 ounces of dog food. how many ounces of dog food were needed for all the dogs? a. 600 + 4 b. 600 – 4 c. 600 × 4 d. 600 ÷ 4

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.