Do the operation and express the answer in a + bi form.
A) - 19 i
B) - 19
C) - 190 i
D) 19
E) 19 i
B) - 19
Mathematics
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Solve the problem.Find an equation for the level surface of the function f(x, y, z) = 
d? - 
dt that passes through the point (0, ln 3, ln 4) .
A. ey + ez - 
= -1
B. ey - ez + 
= 1
C. ey + ez - 
= 1
D. ey - ez + 
= -1
Mathematics
Evaluate. Round dollar amounts to the nearest cent and other answers to the nearest thousandth when necessary.130ert for t = 6 and r = 2%
A. $181.43 B. $2611.12 C. $146.57 D. $353.38
Mathematics
Find the graph of the linear inequality.
?
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
How many students were involved in athletics in 2002?
A. 250 B. 350 C. 300 D. 400
Mathematics