Refer to the double-bar graph below which shows the number of male (M) and female (F) athletes at a university over a four-year period. Solve the problem. 
YEARHow many more male athletes than female athletes were there in 1987?
A. 150
B. 0
C. 100
D. 50
Answer: C
Mathematics
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Write the complex number in rectangular form.6(cos 330° + i sin 330°)
A. -3
- 3i
B. 3
+ 3i
C. 3
- 3i
D. -3
+ 3i
Mathematics
Factor by grouping.49x2 - 56xy + 16y2
A. (7x - 4y)(7x + 4y) B. (7x - 4y)2 C. (7x + 4y)2 D. (49x + 1)(x + 16)
Mathematics
Solve the problem.From a balloon 787 feet high, the angle of depression to the ranger headquarters is 82°7'. How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 114 ft B. 109 ft C. 104 ft D. 99 ft
Mathematics
Evaluate the expression when x = 5, y = -2, and t = 8.?y? + 2x - 2t
A. 28 B. -4 C. -8 D. 8
Mathematics