Express the rational number as a fraction of integers.6.39393939 . . .
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the inequality and graph the solution on the real number line.
?
?
A. 
B.
C.
D.
E. All real numbers
Mathematics
Determine the number of significant digits in the given approximate number.70,010
A. 4 B. 5 C. 2 D. 3
Mathematics
Solve. Round to two decimal places unless otherwise noted.If the average cost per unit C(x) to produce x units of plywood is given by 
what do 400 units cost?
A. $292.68 B. $299.98 C. $12,000.00 D. $60.00
Mathematics
Solve the problem.The radius r and height h of a cylinder are changing with time. At the instant in question, 
and 
At what rate is the cylinder's volume changing at that instant?
A. 2.14 cm3/sec B. 5.03 cm3/sec C. 4.02 cm3/sec D. 1.76 cm3/sec
Mathematics