Solve.Megan wanted to determine the gas mileage she was getting on her car. She filled the gas tank on her car when the odometer read 49,962 miles. After 11 days the odometer read 50,490 miles and it took 12 gallons of gas to fill the tank. How many miles to the gallon did Megan's car achieve?
A. 528 miles per gallon
B. 523 miles per gallon
C. 44 miles per gallon
D. 48 miles per gallon
Answer: C
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Which of the following is true about similar polygons??
A. ?If the side lengths are congruent and the angles are congruent, then the polygons are similar. B. ?If the side lengths are proportional and corresponding angles are proportional, then the polygons are similar. C. ?If the side lengths are proportional and corresponding angles are equal, then the polygons are similar. D. ?If the side lengths are equal and the corresponding angles are equal, then the polygons are similar. E. ?If the side lengths are proportional, then the polygons are similar.
The argument has a true conclusion. Identify the argument as valid or invalid.No natural numbers are negative.-5 is negative. ? -5 is not a natural number.
A. Valid B. Invalid
Solve the problem.If an elevator starts on floor number 4 above ground and goes up to floor number 17, how far up has it gone?
A. None of these B. It has gone up 21 levels. C. It has gone down 13 levels. D. It has gone up 13 levels.
Find the amount of each payment needed to accumulate the indicated amount in a sinking fund. Round to the nearest cent.
$6,400, money earns 8% compounded annually, 10 years
A. $384.51 B. $485.57 C. $512.51 D. $441.79