Solve the problem.The number of hours of darkness in a coastal town can be modeled by 
, where x is the month and 
corresponds to January. Approximate the number of hours of darkness in April, to the nearest tenth of an hour.
A. 17.4 hr
B. 18.2 hr
C. 22.7 hr
D. 15.2 hr
Answer: D
Mathematics
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Write the Egyptian numeral as a Hindu-Arabic numeral.
A. 200 B. 2000 C. 20 D. 20,000
Mathematics
Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the value of the expression.Let logb A = 2 and logb B = -4. Find logb 3
.
A. 2.000
B. -2.000
C. -0.667
D. 3
Mathematics
Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit.) Use 
?
?
A. 900.0 in.2 B. 706.9 in.2 C. 176.7 in.2 D. 225.0 in.2 E. 353.4 in.2
Mathematics