Find the circumference or area of the circle, as requested. Give an exact answer (in terms of ?) and an approximation using 3.14 for ?. If necessary, round to two decimal places.Find the area.
A. ? m2; 18.84 m2
B. 2.25? m2; 7.07 m2
C. 3? m2; 42.39 m2
D. 9? m2; 14.13 m2
Answer: B
Mathematics
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A. $39,950 B. $419.50 C. $412.50 D. $399.50
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Graph the integrand and use geometry to evaluate the integral.
A. 160 B. 80 C. 40 D. 8
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Solve the equation.x(5x + 13) = 6
A. x = 
, 3
B. x = 0, - 
C. x = 0, 
D. x = 
, -3
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Solve the double inequality.-28 ? -4c + 4 < -4
A. -8 ? c < -2 B. 2 < c ? 8 C. -8 < c ? -2 D. 2 ? c < 8
Mathematics