Find an equation for the parabola described.Vertex at (-4, -2); directrix y = -5
A. x = 
t2 - 4, y = t - 2
B. y = 
t2 - 2, x = t - 4
C. y = 
t2 - 4, x = t - 2
D. y = 
t2 + 2, x = t + 4
Answer: B
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Find the perimeter of the figure.Rectangle 
A. 40 in. B. 42 in. C. 2 in. D. 21 in.
Solve the problem.Starting at point A, a ship sails 48 km on a bearing of 217°, then turns and sails 15 km on a bearing of 280°. Find the distance of the ship from point A.
A. 63 km B. 8 km C. 71 km D. 56 km
Solve.The speed s of a vehicle is inversely proportional to the time t it takes to travel a fixed distance. If a vehicle travels a fixed distance at 10 miles per hour in 20 minutes, how fast must it travel to cover the same distance in 50 minutes?
A. 25 mph
B. 4 mph
C. 100 mph
D. 
mph
Provide an appropriate response.Explain in your own words how you can tell from the equation whether the graph is a circle or an ellipse.
What will be an ideal response?