Solve.A solution strength of 8 mg of medicine in 1 mL of solution is available. If a patient needs 14 mg, how many mL do you administer?
A. 0.6 mL
B. 14 mL
C. 112 mL
D. 1.75 mL
Answer: D
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Provide an appropriate response.For approximately what values of x can tan-1 x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.11960 B. |x| < 0.08395 C. |x| < 0.11699 D. |x| < 0.08182
Suppose a firm increases its sales using existing fixed assets. Everything else equal, what effect will the increase in sales have on the firm's degree of operating leverage (DOL)?
A. The DOL should increase. B. The DOL should decrease. C. The DOL should not change, because the amount of fixed asset does not change. D. The DOL should increase if fixed operating costs represent a significant proportion of total operating costs; otherwise, the DOL should decrease. E. Because the fixed operating costs are not know, the impact on DOL cannot be determined.
Solve.George bought a video for $18.71. If he paid with two $10 bills, what was his change?
A. $2.29 B. $1.29 C. $1.39 D. $2.00
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(2, -5) and (2, 3)
A. 2 B. Undefined C. 4 D. 8