Use divisibility tests to decide whether the first number is divisible by the second.  139,243,105; 11[Note that a divisibility test for 11 is as follows: Starting at the left of the number, add together every other digit. Add together the remaining digits. Subtract the smaller of the two sums from the larger. If the final number obtained is divisible by 11, then so is the original number. If the final number obtained is not divisible by 11, then neither is the original number.]

A. Yes
B. No


Answer: B

Mathematics

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List all of the Hamilton circuits for the graph that start with the indicated vertices.Starting C ? B ? D

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Mathematics

Simplify, if possible.

A. 1
B. -x
C.
D. -1

Mathematics

Solve the problem.S and T are similar polygons. If the area of T is 300, what is the area of S?

A. 30 B. 120 C. 48 D. 96 E. none of these

Mathematics

Determine whether the equation is an identity. If it is an identity, prove it.tan2x = sec2x - sin2x - cos2x

What will be an ideal response?

Mathematics