Solve the problem.The eardrum is a nearly-circular membrane located in the ear. It can be ruptured when a person is subjected to extreme air pressures. The pressure on the membrane can be calculated using 
where F is the force exerted by the air in newtons, r is the radius of the eardrum in mm, and P is the pressure in atmospheres. Damage will occur when 
> 0.2. Determine whether the eardrum is damaged when 
and
src="https://sciemce.com/media/4/ppg__fdfd0513192323__f1q77g4.jpg" alt="" style="vertical-align: -4.0px;" />
A. Yes
B. No
Answer: B
Mathematics
src="https://sciemce.com/media/4/ppg__fdfd0513192323__f1q77g4.jpg" alt="" style="vertical-align: -4.0px;" />
A. Yes
B. No
Answer: B
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Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.-31
+ 10
A. - 20
B. 20
C. 20
D. - 20
Find the vertices of the hyperbola.9x2 - 25y2 = 225
A. (-5, 0), (5, 0) B. (0, 3), (0, -3) C. (0, 5), (0, -5) D. (-3, 0), (3, 0)
Solve the problem.Two angles are supplementary, and one is 5° more than six times the other. Find the larger angle.
A. 25° B. 70° C. 155° D. 110°
Solve the problem.The cost C, in dollars, of renting a car for a week from from Pricebusters Rent-A-Car can be approximated by the function 
where m is the number of miles the car is driven. Find the domain of the function.
A. [340, ?) B. [0, ?) C. (-?, ?) D. (-?, 0.10]