Solve. Round to the nearest percent if necessary.Find the percent of increase when the original amount is 60 and the new amount is 84.
A. 29%
B. 40%
C. 24%
D. 140%
Answer: B
Mathematics
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Solve.The discus is thrown from a circular region 8 feet 3 inches in diameter. What is the area of the circle (in square inches)? Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 30,775.1 sq in. B. 310.9 sq in. C. 7693.8 sq in. D. 3846.9 sq in.
Mathematics
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the standard equation of the parabola with the given focus and directrix.Focus: (6, 0); directrix: x = -2
A. y2 = 16(x - 2) B. x2 = -16(y - 2) C. y2 = -16(x - 2) D. x2 = 16(y - 2)
Mathematics
Find the root. 
A. 4 B. 3 C. 48.6 D. Not a real number
Mathematics