Which expression should be used to estimate the answer to this story problem? marcus is reading a long novel. for 5 nights, he read 83 pages each night. how many pages did marcus read? a. 80 ÷ 5 b. 90 × 5 c. 80 × 5 d. 90 ÷ 5

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000