John drives 257 miles and uses 9 gallons of gas. how many miles per gallon did he get? without calculating the answer, from the choices given, which is most reasonable? a. 100 miles per gallon b. –6 miles per gallon c. 30 kilometers per liter d. 25 miles per gallon

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

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.

What is the value of the expression below? 148+(-6)| + |– 35= 7|