Find the midpoint of the segments determined by the given end points.(7, 3), (8, 5)
A. (-1, -2)
B. 
C. (15, 8)
D. 
Answer: D
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Evaluate by using polar coordinates.
A. 
B. 
C. 
D. 
The circle graph shows the results of the student council presidential election. The complete circular area represents 100% of the votes.
The circle graph shows what percent of the vote each person received.How many votes did Ted get?
A. 45 B. 84 C. 96 D. 75
Write the equation of the quadratic function whose graph is a parabola containing the given points.An egg is thrown upward from the top of a 128-foot-high building. The ball is 224 feet above ground level after 1 second, and it reaches ground level in 8 seconds. The height above the ground is a quadratic function of the time after the ball is thrown. Write the equation of this function.
A. y = -16x2 + 112x + 128 B. y = -16x2 + 56x + 128 C. y = -16x2 + 144x + 128 D. y = -16x2 + 16x + 128
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, ? < ? < 
Find cos 
.
A. - 
B. 
C. - 
D. 