Subtract. 6 - (-6)
A. 0
B. 6
C. -12
D. 12
Answer: D
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Simplify the expression by combining like terms. 18.2x - 8.7 - 6.7x + 21
A. 11.5x + 13.3 B. 11.5x + 12.3 C. 12.5x + 12.3 D. 23.8x
Determine whether there is sufficient information for solving a triangle, with the given combination of angles and sides, by the law of sines.a, b, and C
A. Yes B. No
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.In recent years, many states have passed laws against smoking in public buildings. The total number of states N that have passed a no smoking in public buildings law, t years after 1989 is given by the function, N(t) = 
. How many states had passed the law in 1989?
A. 0 B. 1.136 C. 2.273 D. 0.227