Solve the problem.The formula for the volume of a wire is ?r2h, where r is the radius of the wire and h is the length. Find the volume of a wire if 
units and 
units.
A. 30,000 units3
B. 29,800 units3
C. 129 units3
D. 130 units3
Answer: D
Mathematics
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Solve the equation.1 = 3x + 7
A. 6 B. -9 C. -5 D. -2
Mathematics
Graph on the number line, and express in interval notation.The set of all real numbers between 2 and 6 including both 2 and 6.
A. [2, 6)
B. (2, 6)
C. [2, 6]
D. (2, 6]
Mathematics
Evaluate.115
A. 15 B. 115 C. 1 D. undefined
Mathematics
Solve the problem.How many different three-digit numbers can be written using digits from the set 
without any repeating digits?
A. 10 B. 120 C. 20 D. 60
Mathematics