Simplify the expression by using the order of operations.7 ? 
- 4(6 - 5)
A. 100
B. 444
C. 60
D. 52
Answer: D
Mathematics
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Convert to base ten.555six
A. 215 B. 110 C. 82 D. 1000
Mathematics
Find the angle.tan-1 -1
A. 
B. - 
C. 
D. - 
Mathematics
Verify that the equation is an identity.cot2 
= 
What will be an ideal response?
Mathematics
Work the chain multiplication.(20)(10)(100)
A. 19,900 B. 19,800 C. 20,100 D. 20,000
Mathematics