Which operations are the most efficient to use to solve this problem?

the grocer bought 154 pounds of beef at $5.00 per pound. the grocer also bought 243 pounds of ground turkey for $729. how much more was the cost of the beef per pound than the turkey?

choose all answers that are correct.

a.
addition

b.
subtraction

c.
multiplication

d.
division

Which of the following expressions is equal to 2x^2+8

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.