Find the area of the shaded region of the figure. Use 3.14 for ? as necessary.
A. 55.86 cm2
B. 104.86 cm2
C. 52.43 cm2
D. 258.72 cm2
Answer: B
Mathematics
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Find the missing sides of each special right triangle.
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics
Solve the equation.
- 5 = 1
A. 42 B. 28 C. -42 D. -28
Mathematics
Find the missing length to the nearest tenth.
A. b = 3.0 ft B. b = 16.2 ft C. b = 13.7 ft D. b = 94.5 ft
Mathematics
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.The enrollment at a local college decreased by 8% over last year's enrollment of 3,500. Find the decrease in enrollment.
A. 280 students B. 2,800 students C. 3,220 students D. 3,780 students
Mathematics