Solve. Remember to insert units when writing your answer.An automobile has a 68.5-L gas tank. Only 4.8 liters of gasoline still remain in the tank. How much gasoline is needed to fill the tank?
A. 64.7 L
B. 20.5 L
C. 63.7 L
D. 73.7 L
Answer: C
Mathematics
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Determine whether the given number is approximate or exact.The thermometer showed that the temperature in the classroom was 66°F.
A. Exact B. Approximate
Mathematics
Match the graph to one of the polar equations.
A. r = 2 cos ? B. r = 1 C. r sin ? = 1 D. r = 2 sin ?
Mathematics
Multiply and simplify. Assume that all variables represent positive real numbers.(5
+ 8)2
A. -14 + 80
B. 114 + 80
C. 58 + 80
D. 114 - 80
Mathematics
Find the perimeter.
A. 22 km B. 24 km C. 31 km D. 23 km
Mathematics