Indicate whether the statement is true always, sometimes, or never.When i is raised to an odd power, the result is -1.
A. Always
B. Sometimes
C. Never
Answer: C
Mathematics
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Use the formula for 
to evaluate the expression.
A. 518,400 B. 604,800 C. 3,628,800 D. 720
Mathematics
Find the GCF for the group of integers.70 and 40
A. 2 B. 1 C. 10 D. 5
Mathematics
Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 175 seconds are required to make a 5-by-5 enlargement, find the time required for a 6-by-7 enlargement.
A. 378 sec B. 336 sec C. 294 sec D. 252 sec
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics