40 !

cole needs to include at least 11mg and at the most 22 mg of iron in his diet each day. cole plans to eat multiple bananas daily, and each banana has 0.3 mg o iron. cole will get the rest of his iron from vitamins. each whole vitamin contains 4 mg of iron.

part a.
if cole eats 3 bananas each day, what is the least number of whole vitamins he mist take in order to stay within his daily iron requirement? what is the greatest number of whole vitamins he can take in order to stay within his daily iron requirement? use inequalities to solve.

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.

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$