Solve the problem.Find the area of a sector of a circle of radius 4 centimeters formed by a central angle of 
Round your answer to two decimal places.
A. 1.33 sq cm
B. 4.19 sq cm
C. 8.38 sq cm
D. 1.05 sq cm
Answer: B
Mathematics
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Find f"(x) for the function.f(x) = x2 + 
A. 
B. 
C. 
D. 
Mathematics
Solve the equations by factoring.5x2 - 25x + 30 = 0
A. 0, 2, 3 B. 2, 3 C. -2, -3 D. 5, 2, 3
Mathematics
Perform the operation and write the result in the standard form.(8 + 9i)(4 + 9i)
A. 113 - 36i B. -49 - 108i C. -49 + 108i D. 81i2 + 108i + 32
Mathematics
Solve the problem.An appliance store sells 58 refrigerators a week. Estimate the total amount of money the store makes in a week if each refrigerator costs $949. Round the number of refrigerators to the nearest ten and the cost to the nearest hundred.
A. $60,000 B. $50,000 C. $54,000 D. $45,000
Mathematics