Write the expression in the standard form a + bi.5i5(1 + i3)
A. 5 - 5i
B. 5 + 5i
C. -5 - 5i
D. -5 + 5i
Answer: B
Mathematics
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Perform the indicated operation.
+ 
A. 
B. 
C. - 
D. 
Mathematics
Use the 68-95-99.7 rule to solve the problem.At one college, GPA's are normally distributed with a mean of 3 and a standard deviation of 0.4. What percentage of students at the college have a GPA between 2.6 and 3.4?
A. 68% B. 99.7% C. 95% D. 84%
Mathematics
Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.csc x = 1 + cot x
A. 
B. No solution
C. 
, 
D. 
Mathematics
Evaluate the root, if possible.
A. 
B. 
C. 
D. 
Mathematics