Solve the problem.The area of a circle varies directly as the square of the radius of the circle. If a circle with a radius of 
has an area of 78.5 square inches, what is the area of a circle with a radius of 18 inches?
A. 1019.76 in2
B. 1017.36 in2
C. 56.52 in2
D. 113.04 in2
Answer: B
Mathematics
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Multiply. Simplify the answer completely.-24 ? 
A. -12
B. -9
C. - 
D. 9
Mathematics
Solve the triangle. 
A. b = 6.41, A = 143.6°, C = 11.4° B. b = 7.41, A = 11.4°, C = 143.6° C. b = 5.41, A = 143.6°, C = 11.4° D. b = 6.41, A = 11.4°, C = 143.6°
Mathematics
Write the decimal number in standard form.Fourteen and seven hundred forty-seven thousandths
A. 14.0747 B. 0.14747 C. 14.747 D. 14,747
Mathematics
Choose the function that might be used as a model for the data in the scatter plot.
A. Logarithmic, f(x) = a + b ln x B. Polynomial, not quadratic C. Exponential, f(x) = abx or f(x) = P0ekx, k > 0 D. Quadratic, f(x) = ax2 + bx + c
Mathematics