Solve the problem.The area of a circle with radius r is given by the function A(r) = ?r2. Find the area of the base of a circular storage tank if the radius is 4 feet long. Use ? ? 3.14.
A. 50.24 square feet
B. 25.12 square feet
C. 48 square feet
D. 12.56 square feet
Answer: A
Mathematics
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Solve the inequality. Graph the solution set and write it in interval notation.m - 4(m + 6) < 3m
A. (1, ?)
B. (-?, -4)
C. (-4, ?)
D. (-?, 1)
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Find the exact value of the given expression.
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Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Find the center and radius of the circle.(x + 5)2 + (y + 8)2 = 100
A. (-8, -5); 100 B. (-5, -8); 10 C. (8, 5); 100 D. (5, 8); 10
Mathematics