Simplify. Assume that all factors of radicands are nonnegative.
A. 
B. 
C. 
D. already simplified
E. none of these
Answer: B
Mathematics
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Evaluate. The differential is exact.
A. 19 B. 18 C. 17 D. 0
Mathematics
Determine whether the equation is linear. If it is linear, give values for a and b so that the equation can be written in the form ax + b = 0.22.7x = 7.5
A. Yes; a = 22.7, b = -7.5 B. Yes; a = 22.7, b = 7.5 C. No D. Yes; a = -7.5, b = 22.7
Mathematics
Calculate the value mentally.
A. 1,000 B. 100 C. none of these D. 10
Mathematics
Solve the right triangle using the information given. Round answers to two decimal places, if necessary. 
b = 4, c = 10; Find a, B, and A.
A. a = 9.17 B = 23.58° A = 66.42° B. a = 10.77 B = 24.58° A = 65.42° C. a = 10.77 B = 23.58° A = 66.42° D. a = 9.17 B = 66.42° A = 23.58°
Mathematics