Use the distributive property to simplify this expression.3(z - 9)

A. 3z - 27
B. 3z - 9
C. 3z + 27
D. 3z + 9


Answer: A

Mathematics

You might also like to view...

Solve the problem.Enrollment in a business seminar increased from 67 people to 86 people. What was the percent of increase?

A. 77.9% B. 22.1% C. 71.6% D. 28.4%

Mathematics

Subtract.44 - 44 

A. 40 B. 0 C. 1 D. 8

Mathematics

Expand the expression using the Binomial Theorem.(x + 1)6

A. x6 + 6x5 + 15x4 + 20x3 + 15x2 + 6x + 6 B. x6 + 6x5 +15x4 + 20x3 + 15x2 + 6x + 1 C. x6 + 6x5 +30x4 + 120x3 + 30x2 + 6x + 1 D. x6 + 6x5 + 30x4 + 120x3 + 360x2 + 720x + 720

Mathematics

Which of the following statements is not true? ?

A. If A? B, r is the cardinality of A and s is the cardinality of B, then s< r. B. ?If A? B, r is the cardinality of A and s is the cardinality of B, then r< s. C. ?If r< s, then r - s< 0. D. a and b are true. E. ?None of the above.

Mathematics