Simplify the expression.

A. x
B. x11 - x10
C.
D. x21


Answer: A

Mathematics

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Simplify the expression.

A.
B.
C.
D.

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Determine between which two consecutive whole numbers each square root lies.

A. 13 and 14 B. 14 and 15 C. 15 and 16 D. 10 and 11

Mathematics

Perform the indicated operations.240 ÷ 6 - 2 

A. 232 B. 38 C. 60 D. 236

Mathematics

Find the unit ratio.20 to 4

A. 5 B. 80 C. 24 D. 0.2

Mathematics