A road repair crew spread 7/8 of a ton of gravel evenly over 7 feet of road. How many tons of gravel did they spread on each foot of road?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Which of the following statement about pascal's triangle are true?

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.