Simplify the expression using the products-to-powers rule.(5x)2
A. 25x
B. 25x2
C. 10x
D. 10x2
Answer: B
Mathematics
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Solve the problem. Round your answer to one decimal place.The number of hours of darkness in a coastal town is given by the function 
, where n is the month and 
corresponds to January. Approximate the number of hours of darkness in April.
A. 17.5 hours B. 18.3 hours C. 22.9 hours D. 15.2 hours
Mathematics
Use the distributive property to rewrite the sum or difference as a product. Simplify the answer if possible.6a + 10a
A. -4a B. 30a C. 4a D. 16a
Mathematics
Suppose a new car is purchased for $19,000. Evaluate its depreciation percentage per year if after 5 years its cost is $6,900.
a. 0.13% b. 63.68% c. 12.74% d. 7.26%
Mathematics
Evaluate.Evaluate x + 5, if x is equal to 1.
A. 6 B. 7 C. x + 1 D. 5
Mathematics