the government keeps track of fuel prices in time across the United States. The chart shows the average gasoline price by month for 2010.

Average U. S. Gasoline Price
Date
Price per gallon
in dollars
April 2010
2.725
May 2010
2.87
June 2010
2.674
July 2010
2.67
August 2010
2.74

Which list shows the prices of gasoline from the least expensive to most expensive?
2.67, 2.74, 2.87, 2.674, 2.725
2.67, 2.674, 2.725, 2.74, 2.87
2.67, 2.674, 2.74, 2.725, 2.87
2.674, 2.67, 2.74, 2.725, 2.87

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.