Solve the problem.There are currently 78 million cars in a certain country, increasing exponentially by 2.9% annually. How many years will it take for this country to have 93 million cars? Round to the nearest year.
A. 4 yr
B. 5 yr
C. 6 yr
D. 93 yr
Answer: C
Mathematics
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Solve the formula for the specified variable.A = 
h(b1 + b2) for b1
A. b1 = 
B. b1 = 
C. b1 = 
D. b1 = 
Mathematics
Solve the problem.The formula r = 2
can be used to approximate the speed r, in miles per hour, of a car that has left a skid mark of length L, in feet. What was the speed of a car that left a skid mark of 165 feet?
A. 10
mph
B. 330 mph
C. 5
mph
D. 50
mph
Mathematics
Graph the circle.x2 + y2 = 25
A. 
B. 
C. 
D. 
Mathematics
Find the area between the curves.x = 2, x = 5, y = 
, y = 
A. ln 
+ 
B. ln 
+ 
C. ln 
- 
D. ln 
- 
Mathematics