Multiply and simplify.
? 
A.
B.
C.
D.
Answer: D
Mathematics
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Solve the problem.In the spinner shown below, the regions numbered 1 and 2 correspond to 90? angles. The region numbered 3 corresponds to a 100? angle and the region numbered 4 corresponds to a 60? angle. Find the probability that, when spun randomly, the spinner will land on the region numbered 5.
A.
B.
C.
D.
E. none of these
Mathematics
Is the following statement true or false?21 > 20
A. True B. False
Mathematics
Add.8.114 + 14.79
A. 23.130 B. 22.193 C. 22.904 D. 22.950
Mathematics
Simplify the factorial expression.
A.
B.
C.
D.
Mathematics