Darnells's car used 8 gallons of gasoline to travel 340 miles. after a mechanic worked on the car it used 7 gallons of gasoline to travel 350 miles. if the price of the gasoline was approximately $4.00 a gallon, to the nearest cent per mile, did it cost to run the car after the mechanic worked on it

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?