Subtract.
A. 54
B. 64
C. 92
D. 48
Answer: A
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Solve.To best determine the fuel economy of a particular car model, an automotive technician calculates the mean gas mileage for 20 full tanks of gas.(a) Use classes of 1.0 mi/gal, beginning with 19.0 - 19.9 mi/gal, to compute the mean fuel economy (in miles per gallon) from the following data:20.419.622.520.522.119.820.520.219.020.619.821.719.921.520.719.621.419.319.421.5(b) At $3.39 per gallon, use the mean fuel economy to calculate the average cost per mile to operate this vehicle.
A. (a) 20.14 mpg, (b) $0.168 (or 16.8¢ per mile) B. (a) 21.05 mpg, (b) $0.161 (or 16.1¢ per mile) C. (a) 20.45 mpg, (b) $0.166 (or 16.6¢ per mile) D. (a) 21.75 mpg, (b) $0.156 (or 15.6¢ per mile)
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.-14 + 3 + 0 + (-4)
A. 13 B. -15 C. -7 D. -21
Find the mean of the data presented in the given table of values.
(Round to the nearest hundredth.)
A. 5.75 B. 6.00 C. 5.85 D. 5.80
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.(5x7y8)-2
A. 25x14y16
B. 
C. 
D. 