Samoy's car used 9 gallons to travel 400 miles. After the mechanic works on the car, it used 6 gallons of gasoline to travel 450 miles. If the price of the gasoline was
approximately $2 per gallon, how much, to the nearest cent per mile, did it cost to run
the car after the mechanic worked on it?

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Which expressions are equivalent to -6 + 3m

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.