Solve.The cost of stainless steel tubing varies jointly as the length and the diameter of the tubing. If a 
length with diameter 2 inches costs $48.00, how much will a 
length with diameter 
cost?
A. $314.40
B. $322.37
C. $322.10
D. $316.80
Answer: D
Mathematics
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Granville and Preston are 558 miles apart. A car leaves Preston bound for Granville at 49 mph. At the same time, another car leaves Granville bound for Preston at 44 mph. How long will it take them to meet?
A. 7 hr B. 6 hr C. 3 hr D. 5 hr E. 4 hr
Mathematics
The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = -1
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
Mathematics
Solve and check. Use the square root principle to eliminate the square.(x - 3)2 = 49
A. ±7 B. -4, -10 C. 52 D. 10, -4
Mathematics
Divide.
÷ 
A. 
B. 
C. 
D. 
Mathematics