Sketch the graph of the polar equation.r = 7 cos 5?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write a matrix equation equivalent to the system of equations. x + y + z = -4 4x - 4y - 3z = -4-4x - 3y - 2z = 4
A. 
=
B. 
= 
C. 
=
D. 
= 
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. -15
B. 25
C. -25
D. 15
Mathematics
Sketch the parabola that has a distance between the directrix and its focus to be 4 units. ?
A. ?
B. 
C. 
?
D. ?
Mathematics
Solve the equation for the indicated variable.A = ?r2 for r
A. r = ± 
B. r = 
C. r = A?
D. r = ± 
Mathematics