Perform the indicated operations and express your answer in the form a + bi. 
A. -3i
B. 3i
C. ±3
D. -i
Answer: B
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Solve the problem.An object is rolling with a driving force that suddenly ceases. The object then rolls 10 meters in the first second, and in each subsequent interval of time it rolls 80% of the distance it had rolled the second before. This slowing is due to friction. How far will the object eventually roll?
A. 20.0 m B. 12.2 m C. It will roll an infinite distance. D. 50.0 m
Construct a pie chart representing the given data set.Main form of exercise for employees of one company:None:27%Walking:16%Running:7%Golf:12%Weight Training:23%Other:15%
A. 
B. 
C. 
D. 
Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
(lnx - ln(x + 7))
D. 
Perform the operation and give the answer in Hindu-Arabic form. src="https://sciemce.com/media/4/ppg__ttt0612191108__f1q178g6.jpg" alt="" style="vertical-align: 0.0px;" height="10" width="5" />
- 
A. 46
B. 22
C. 42
D. 26