Classify the following as the equation of a parabola, a circle, an ellipse, or a hyperbola.x2 + y2 = 36
A. Circle
B. Ellipse
C. Parabola
D. Hyperbola
Answer: A
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Solve the problem.Big Jack's pizzas are the best values in town. His guarantee is that if you buy 5 pizzas, he'll take 10% off the sixth, 20% off the seventh, and 50% off of every pizza after that. On Friday night Elmer's fraternity ordered 8 pizzas for their party. What was the price per square inch on the 7th pizza if each pizza was a(n) 12-inch round and the original price was $7.99? (Use 3.14 for ?. The size of a pizza is its diameter.)
A. $0.16 per square inch B. $0.06 per square inch C. $0.08 per square inch D. $0.12 per square inch
The table below shows Joe's golf scores from Saturday.
The range of golf scores was
A. 10. B. 9. C. 8. D. 7. E. none of these
Solve the problem.A power boat in still water maintains a speed of 40 miles per hour. The boat heads directly across a river perpendicular to the current which has a speed of 8 miles per hour. Find the actual speed and direction of the boat.
A. 40 miles per hour; 12° off course B. 16 miles per hour; 30° off course C. 20 miles per hour; 24° off course D. 41 miles per hour; 11° off course
Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi