Solve the problem.There are currently 78 million cars in a certain country, increasing exponentially by 1.9% annually. How many years will it take for this country to have 99 million cars? Round to the nearest year.
A. 11 yr
B. 13 yr
C. 160 yr
D. 4 yr
Answer: B
Mathematics
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Solve the right triangle shown in the figure. Round lengths to one decimal place and express angles to the nearest tenth of a degree. 
A = 36°, b = 51.2
A. B = 36°, a = 70.5, c = 41.4 B. B = 54°, a = 37.2, c = 63.3 C. B = 36°, a = 41.4, c = 37.2 D. B = 54°, a = 70.5, c = 87.1
Mathematics
Evaluate the expression for each value of x in the table. Then use the table to solve the equation.-9x + 4 = -32 
What will be an ideal response?
Mathematics
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation and simplify if possible.
- 
A. 
B. 
C. 
D. 
Mathematics