Add as indicated.(r + 3s + 5) + (4r + s) + (s + 5)
A. 4r + 3s + 10
B. 5r + 5s + 10
C. 5r + 4s + 10
D. 3r + 5s + 10
Answer: B
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Solve the problem.The time between major earthquakes in the Alaska panhandle region can be modeled with an exponential distribution having a mean of 620 days. Find the probability that the time between a major earthquake and the next one is less than 300 days.
A. 0.0006 B. 0.6164 C. 0.0010 D. 0.3836
Make a line graph of the data given in the table.
A. 
B. 
C. 
D. 
Solve the equation in the complex number system.x3 - (-5
+ 5i) = 0
A. 
(cos 70° + i sin 70°), 
(cos 190° + i sin 190°), 
(cos 310° + i sin 310°)
B. 
(cos 70° + i sin 70°), 
(cos 190° + i sin 190°), 
(cos 310° + i sin 310°)
C. 
(cos 50° + i sin 50°), 
(cos 170° + i sin 170°), 
(cos 290° + i sin 290°)
D. 
(cos 50° + i sin 50°), 
(cos 170° + i sin 170°), 
(cos 270° + i sin 270°)
Write the fraction.At Smith's Apple Orchard one day, 57 people were picking apples, 19 people were picking pumpkins, and 24 people were picking raspberries. What fractional part of the people were picking pumpkins?
A. 
B. 
C. 
D. 