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

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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