Write the expression in the standard form a + bi.(8 - 3i) + (7 + 7i)

A. 15 - 4i
B. 15 + 4i
C. -15 - 4i
D. 1 + 10i

Answer: B

Mathematics

Decide whether vertex A of the network is even or odd.

A. Odd B. Even

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Mathematics

What is the LCM of 3a2 and 15a3?

a. 15a b. 15a2 c. 15a3 d. 45a2 e. 45a3

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Mathematics

Find the sum. + + + + ... +

A. -  (1 - 3ⁿ)
B. (1 - 3ⁿ)
C. -  (1 - 3ⁿ)
D. -  (1 - 3ⁿ)

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Mathematics

Fill in the blank with one of the choices listed below. Some choices may be used more than once. The of a list of numbers of items is .

A. mode B. numerator C. median D. mean

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Mathematics