Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Answer: A
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Use the commutative law of multiplication to write an equivalent expression.4(y + 9)
A. 4y + 36 B. (4y) + 9 C. 4(9 + y) D. (y + 9)4
Solve the problem.The sum of 81 times a number and the reciprocal of the number is positive. Find the numbers which satisfy this condition.
A. any number between - 
and 
B. any number greater than 
C. any number greater than 0
D. any number between 0 and 
Solve.A bag contains 8 red marbles, 6 blue marbles, and 5 green marbles. What is the probability of choosing a blue marble when one marble is drawn?
A. 
B. 
C. 
D. 
Provide an appropriate response.Which of the following statements defines 
f(x) = -??I. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 - ? < x < x0 + ?.II. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 < x < x0 + ?.III. For every negative real number B there exists a corresponding ? > 0 such that f(x) < B whenever x0 - ? < x < x0.
A. III B. I C. II D. None