Solve.There are currently 57 million cars in a certain country, decreasing by 1.9% annually. How many years will it take for this country to have 31 million cars? (Round to the nearest year.)
A. 32 years
B. 14 years
C. 171 years
D. 26 years
Answer: A
Mathematics
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Simplify.-|-11| - |-11 - 8|
A. 8 B. 30 C. -8 D. -30
Mathematics
Add in the indicated base.
A. 1217 B. 367 C. 1137 D. 767
Mathematics
Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 90 in. What dimensions will give a box with a square end the largest possible volume?
A. 15 in. x 15 in. x 30 in. B. 15 in. x 15 in. x 75 in. C. 30 in. x 30 in. x 30 in. D. 15 in. x 30 in. x 30 in.
Mathematics
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics