Simplify the expression. Assume that all variables are positive.

A. t2z3
B. t3z2
C.
D.

Answer: D

Mathematics

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Write the first six terms of the arithmetic sequence with the first term, a1, and common difference, d.a1 = , d = - 

A. , - , - , - , - , - 
B. , - , , - , , - 
C. 0, - , - 1, - , - 2, - 
D. , 0, - , - 1, - , - 2

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Write the binomial expansion of the expression.(a - b)6

A. - a6 + 6a5b - 15a4b2 + 20a3b3 - 15a2b4 + 6ab5 - b6 B. a6 + 6a5b + 15a4b2 + 20a3b3 + 15a2b4 + 6ab5 + b6 C. a6 - 6a5b + 15a4b2 - 20a3b3 + 15a2b4 - 6ab5 + b6 D. a6 - 6a5b - 15a4b2 - 20a3b3 - 15a2b4 - 6ab5 - b6

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Mathematics

Discuss the symmetry of the graph of the polynomial function.

A. Symmetric about origin B. Symmetric about x-axis C. Symmetric about y-axis D. None

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Mathematics

Solve the problem.The sum of two consecutive integers is -351. Find the larger integer.

A. -174 B. -175 C. -176 D. -177

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Mathematics