Divide and simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the vertex, the focus, and the directrix of the parabola.y = -2x2 - 20x - 52 = 0
A. V: 
; F: 
; D: x = - 
B. V: 
; F: (-5, -4); D: x = 0
C. V: (-5, -2); F: 
; D: y = - 
D. V: 
; F: (-5, -10); D: x = -6
Mathematics
Find the perimeter.Maria needs to replace all the fencing around her horse pasture. How many meters of fencing will she need?
A. 376 m B. 340 m C. 310 m D. 387 m
Mathematics
Convert the measure from radians to degrees. Round your answer to two decimal places.3
A. 172.19° B. 171.89° C. 343.78° D. 343.48°
Mathematics
Evaluate the square root.
A. 256
B. 
C. 4
D. not a real number
Mathematics