Write the interval as an inequality involving x, and illustrate the inequality using the real number line.(-4, ?)
A. x ? -4
B. x > -4
C. x ? -4
D. x > -4
Answer: B
Mathematics
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Solve.A dart player made 30 bull's eyes out of 100 attempted throws. What percent of the throws were bull's eyes?
A. 
%
B. 70%
C. 30%
D. 
%
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Solve the problem.Express the area of the following parallelogram as an algebraic expression and then simplify.
A. A = 3x9 - 2x4 B. A = 3x20 - 2x4 C. A = 3x9 - 2 D. A = 3x4 - 2x9
Mathematics
Use the laws of exponents to simplify. Write the answer with positive exponents.x1/5 ? x4/5
A. 
B. x
C. x4/25
D. x4/5
Mathematics
Write the set using the roster method.{x|x is a counting number less than 21}
A. { . . . , 19, 20, 21} B. {0, 1, 2, . . . , 18, 19, 20} C. {1, 2, 3, . . . , 19, 20, 21} D. {1, 2, 3, . . . , 18, 19, 20}
Mathematics