Write the expression as a complex number in the form a + bi.
A. 3 + 
B. 3 + 
i
C. 3 - 
i
D. 3 + 3
i
Answer: B
Mathematics
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Provide an appropriate response.Find the equation of the line that is perpendicular to the line 3y = 2x - 1 and passes through the point (-4, 2).
A. 2x - 3y = -14 B. x + 2y = 0 C. 3x + 2y = -8 D. 3x + 2y = -4
Mathematics
Use your estimation skills to pick the most reasonable answer. Do not solve the problem.399.25 - 398.1
A. 11.5 B. 115 C. 1.15
Mathematics
f is a joint probability density function on D. Find 
.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Arrange the numbers from smallest to largest.-7.7, -7
, -9, -7.6
A. -9, -7.7, -7.6, -7
B. -7
, -7.6, -7.7, -9
C. -9, -7.6, -7
, -7.7
D. -7
, -9, -7.6, -7.7
Mathematics