Find area of circle. (Use 3.14 for ?)A circle whose diameter is 18 cm
A. 1017.36 cm2
B. 254.34 cm2
C. 56.52 cm2
D. 28.26 cm2
Answer: B
Mathematics
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Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the y-axis if the parabola passes through the point 
A. y2 = 
x
B. x2 = 
y
C. y2 = 8x
D. x2 = 8y
Mathematics
Evaluate the given expression.csc-1 (-1)
A. - 
B. ?
C. 
D. 2?
Mathematics
Evaluate the improper integral.
A. 
(1 - ln 2)
B. 
(1 - ln 2)
C. 
(1 - ln 2)
D. 
(1 - ln 2)
Mathematics
Use factoring techniques to solve the quadratic equation.x(x + 6) = 7x + 30
A. {-6, 5} B. {-5, 6} C. {-5, -6} D. {5, 6}
Mathematics