Perform the indicated operation.18 - (18 - 22) + (-21)
A. 79
B. -43
C. 1
D. -1
Answer: C
Mathematics
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Determine which numbers in the set are solutions to the equation.5x = 30; {6, 7, 150}
A. 150 B. 6 C. 7 D. none of them
Mathematics
Give an appropriate answer.Using the following graph, find an Euler path that starts with vertex E.
A. No Euler path exists. B. E ? D ? A ? B ? C ? A ? F C. E ? D? A ? C ? B ? A ? F ? E ? B D. E ? F? A ? B ? C ? A ? D ? E
Mathematics
Give the amplitude or period as requested.Period of y = 2 cos 
x
A. 6?
B. 
C. 
D. 2
Mathematics
Divide, if possible.
A. - 
B. 16
C. -26
D. -16
Mathematics