Add or subtract as indicated. Write the answer in simplest form.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: D
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Evaluate the expression.84/3
A. 128 B. 32 C. 16 D. 64
Add and simplify.
+ 
A. 
B. 
C. 
D. 
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Solve the problem.A woman walks 100 yards eastward along a straight shoreline and then swims 30 yards southward into the ocean on a line that is perpendicular to the shoreline. Using her starting point as the pole and the east direction as the polar axis, give her current position in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (104.40, -16.70°) B. (11.40, -16.70°) C. (104.40, -88.28°) D. (11.40, -88.28°)