Factor out the greatest common factor from the polynomial. Use a positive coefficient on the GCF.w - z

A. 1(w + z)
B. 1(w - z)
C. 0(w - z)
D. w(1 - z)


Answer: B

Mathematics

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Use arithmetic operation signs such as +, -, ? and ÷ between the values to produce the desired result. You may use parentheses as well.34 __ 2 __ 138 __ 3 = 126

A. 34 + 2 ? 138 ÷ 3 = 126 B. 34 + 2 + (138 ÷ 3) = 126 C. (34 ? 2 + 138) ÷ 3 = 126 D. 34 ? 2 + 138 ÷ 3 = 126

Mathematics

Evaluate the following expression without using a calculator. ? ?

A. 6.6 × 104 B. ?6.6 × 10-3 C. ?6.6 × 107 D. 6.6 × 10-7 E. 6.6 × 10-4

Mathematics

Find the odds.Seven slips of paper marked with the numbers 1, 2, 3, 4, 5, 6, and 7 are placed in a box and mixed well. Two are drawn. What are the odds in favor of the sum of the numbers on the two selected slips is not 6?

A. 9 to 1 B. 19 to 1 C. 21 to 2 D. 19 to 2

Mathematics

Perform the indicated operation and simplify. Write the answer in the form a + bi.(8i)(-15i)

A. -120i B. 120 C. 120i D. -120

Mathematics