Evaluate the expression, if possible.
A. not a real number
B. -8
C. 4
D. -17
Answer: A
Mathematics
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Find the area of the specified region.Inside the six-leaved rose r2 = 5 cos 3?
A. 5
B. 
C. 
D. 10
Mathematics
Find f so that F = ?f. If the fuction is not conservative state so.F(x,y, z) = (3y - 15x sin z)i + (3x + 15 cos z)j + ezk
A. f(x, y, z) = 3xy + ez - 15 cos z + C B. f(x, y, z) = 3xy + ez + 15 cos z + C C. f(x, y, z) = 3xy + ez + C D. not conservative
Mathematics
Perform the indicated operation.(-144) ÷ 8
A. -18
B. 18
C. - 
D. -28
Mathematics
The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
x2 = y -1y = 3x + 11
A. No B. Yes
Mathematics