Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 
B. 
C. cannot be simplified
D. 
Answer: A
Mathematics
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Simplify.
A. 11
B. 
C. 121
D. 
Mathematics
Solve the problem.The voltage E in an electrical circuit is given by E = 5.7 cos 110?t, where t is time measured in seconds. Find the amplitude.
A. 5.7 B. 110? C. 11.4 D. 110
Mathematics
Using the pair of parametric equations, find the values of A and B in the table.x = -4t - 6, y = t + 5, for 0 ? t ? 7
A. A = 9, B = -18 B. A = 4, B = -18 C. A = 4, B = 8 D. A = -18, B = 9
Mathematics
Simplify the expression by combining like terms, if possible.3b - 8b
A. -11b B. -5b C. 5b D. -5b2
Mathematics