Talil is going to make some concrete mix. He needs to mix cement, sand and gravel in the ratio 1 : 3 : 5 by weight. Talil wants to make 180 Kg of concrete mix. Talil has: 15 Kg of cement, 85 Kg of sand, 100 Kg of gravel. Does Talil have enough cement, sand and gravel to make the concrete mix? You MUST show how you got your answer.

For the equations below which statement is true ?

Can anyone me with 32,33,36,37,and 40.

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.