Simplify the radical. Assume that all variables represent positive real numbers.
A. 4
B. 4 + 
C. 16
D. 48
Answer: A
Mathematics
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Solve the triangle. Round the answer to the nearest tenth. 
A. a ? 3.0, B = 30°, C = 90° B. a ? 3.5, B = 35°, C = 85° C. a ? 3.8, B = 28°, C = 92° D. a ? 3.5, B = 30°, C = 90°
Mathematics
Find the exact value. Do not use a calculator.tan 0
A. 
B. 0
C. 1
D. undefined
Mathematics
Complete the square and write the equation in standard form. Then give the center and radius of the circle.10x2 + 10y2 = 100
A. (x - 10)2 +(y - 10)2 = 10
(10, 10), r = 
B. x2 + y2 = 100
(0, 0), r = 10
C. x2 + y2 = 10
(0, 0), r = 10
D. x2 + y2 = 10
(0, 0), r = 
Mathematics
Differentiate.f(x) = 
A. f'(x) = - 
B. f'(x) = - 
C. f'(x) = 
D. f'(x) = 
Mathematics