Find the circumference of the circle. Use 3.14 for ?.
A. 43.96 cm
B. 21.980 cm
C. 153.860 cm
D. 8.890 cm
Answer: A
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Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid
B. Paraboloid
C. Sphere
D.
| Elliptic cone |
Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. -
; u = sin x, du = -cos x dx, n = -7
B. 
; u = sin x, du = cos x dx, n = -7
C. 
; u = sin x, du = cos x dx, n = 7
D. 
; u = cos x, du = sin x dx, n = -7
Use the power rules for exponents to simplify. Write the answer in exponential form.(2x3y2)3
A. 8x6y5 B. 8x9y6 C. 2x6y5 D. 2x9y6
Solve the problem.The distance from the downtown station to the last stop on a commuter railroad line is 19 miles. The distance between stops is about 1.9 miles. How many stops are there?
A. 11 stops B. 9 stops C. 5 stops D. 10 stops