Solve.There are currently 68 million cars in a certain country, increasing exponentially by 7.2% annually. How many years will it take for this country to have 77 million cars? Round to the nearest year.

A. 3 yr
B. 1 yr
C. 2 yr
D. 31 yr


Answer: C

Mathematics

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The scores on a 30-point multiple-choice exam are given in the following frequency table: The range on the exam is

A. 10. B. 7. C. 9. D. 8. E. none of these

Mathematics

Express the following in interval notation.

A. (-6, -2) B. [-6, -2] C. (-6, -2] D. [-6, -2)

Mathematics

Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.What was the price of the book?$16

A. Unreasonable, should be $1600
B.

Reasonable

C. Unreasonable, should be $160
D. Unreasonable, should be $1.60

Mathematics

Determine the number of terms and identify the coefficient of each term of the expression.-y - 4y2 + y3 

A. 3; 1, 2, 3
B. 3; -1, -4, 5
C. 2; -4,  
D. 3; -1, -4,  

Mathematics