Solve the problem.The sum of a student's three scores is 222. If the first is 14 points more than the second, and the sum of the first two is 18 more than twice the third, what was the first score?
A. 70 points
B. 54 points
C. 68 points
D. 84 points
Answer: D
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Describe the graph of the polar equation.r = 
A. Hyperbola passing through (5, 7) B. Line with slope 7 and y-intercept (0, -5) C. Line with slope 5 and y-intercept (0, -7) D. Ellipse centered at origin with intercepts (±7, 0) and (0, ±1)
Sketch the graph and show all local extrema and inflection points.f(x) = x
4
A. Local maximum: 
Local minimum: (6, 0)
Inflection points: 
, (6, 0)
B. Local maximum: 
Local minimum: (6, 0)
Inflection points: 
C. Local minimum: (6, 0)
No inflection points
D. Local maximum: 
Local minimum: (6, 0)
Inflection point: 
Factor, if possible.5x2 + 31x + 30
A. (5x - 6)(x - 5) B. (5x - 6)(x + 5) C. (5x + 6)(x + 5) D. (x + 6)(x + 5)
Solve the problem.A ball is thrown upward with an initial velocity of 28 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. After how many seconds will the height of the ball be 40 meters? Round your answer to the nearest tenth of a second.
A. 7.6 sec B. 6.7 sec C. 6.6 sec D. 7.7 sec