Find the exact circumference of the circle.
A. 9? in.
B. 81? in.
C. 4.5? in.
D. 18? in.
Answer: A
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Find the total area of the region between the curve and the x-axis.y = 
; 1 ? x ? 4
A. 
B. 2
C. 4
D. 
Find the equation in standard form of the parabola described.Focus at (-8, 0); Directrix the line x = 8
A. y2 = -32x B. y2 = 32x C. x2 = -32y D. y2 = -8x
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators. B. Use the reciprocal of the second fraction (divisor) and multiply. C. Add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.
Add or subtract and simplify.(3 - 4i) + (8 + 2i)
A. -11 + 2i B. -5 + 6i C. 11 + 2i D. 11 - 2i