Select the graph of degenerate conic.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, sin ? > 0Find cos 
.
A. - 
B. 
C. - 
D. 
Mathematics
Find the vertex of the parabola.f(x) = 4x2 + 40x + 96
A. (-5, -4) B. (-4, -5) C. (4, 5) D. (5, 4)
Mathematics
Solve the problem.
Let x = 28 and y = 7. Find the pitch of the roof.
A. 
B. 
C. 
D. 
Mathematics
Solve.The length of a rectangle is four times the width. If the perimeter of the rectangle is 60 feet, find the width. 
L = 4W
A. 48 ft B. 6 ft C. 12 ft D. 11 ft
Mathematics