Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 
D. 
Answer: A
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Solve the initial value problem.
= 
, y(0) = -3
A. y= tan-1 
- 3
B. y = tan-1 
C. y = 
cot-1 
- 3
D. y = 
tan-1 
- 3
Solve the problem.
Global Transport built a new building and amortized $5,200,000 for 20 years at 
%. Find the monthly payment.
A. $42,484 B. $31,928 C. $236 D. $35,776
Solve the problem.The number of births in County A has been increasing in recent years. Using the information given on the bar graph for the years 1960 and 1990, find an equation to model the number of births y for the year x. Let x = 0 correspond to the year 1960.
A. y = 
x - 2190
B. y = 
x + 1693
C. y = 
x + 1693
D. y = 
x + 
Solve the problem. Round your answer to the nearest tenth of a percent, if necessary.What percent of 60 is 698?
A. 0.1% B. 116.3% C. 1,163.3% D. 0.9%