Maria’s current car gets 24 miles per gallon. Last year she drove 15,000 miles. Last year gas cost an average of $1.35. a. How much did Maria spend for gas for her car last year?

b. Maria busying a new car that is more gas‐efficient and should average 32 miles
per gallon. If she drives the car 15,000 miles in the next year and gas costs an
average of $1.35, how much will she spend for gas in the next year?

c. How much money will Maria save in gas costs in the next year by driving her new
car as opposed to her old one?

d. What percent decrease in gas costs for one year will Maria realize by driving her
new car?

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.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle

How many times larger is 9 × 10^8 than 3 × 10^-5? a. 3 × 10^13 b. 3 × 10^-40 c. 3 × 10^-13 d. 3 × 10^3