A ball thrown into the air from a building 140 ft high travels along a path described by 
where y is the height of the ball in feet and x is the horizontal distance of the ball from the building in feet. What is the maximum height the ball will reach? Round your answer to one decimal place.
?
A. ?180.0 feet
B. 220.0? feet
C. 210.0 ?feet
D. 195.0? feet
E. 200.0? feet
Answer: A
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Use simple probability to complete the exercises.Use the spinner below to answer the question. Assume that it is equally probable that the pointer will land on any one of the five numbered spaces. If the pointer lands on a borderline, spin again. Find the probability that the arrow will land on an odd number. 
A. 0
B. 1
C. 
D. 
In calm waters oil spilling from the ruptured hull of a grounded tanker spreads in all directions. If the area polluted is a circle and its radius is increasing at a rate of 3 ft/sec, determine how fast the area is increasing when the radius of the circle is 55 ft.
What will be an ideal response?
Identify the equation without applying a rotation of axes.4x2 - 2xy + 3y2 + 4x + 3y - 3 = 0
A. parabola B. ellipse C. hyperbola D. not a conic
Solve the problem.Suppose that f(x) gives the cost of a rental car after x days of use at $48 per day. If you solve the equation 
what are you finding?
A. The cost of rental for 201 days B. The number of days rented for $48 C. The cost of rental for 48 days D. The number of days rented for $201