Because of the forces caused by its rotation, a planet is actually an oblate ellipsoid rather than a sphere. The equatorial radius is 3967 miles and the polar radius is 3951 miles. Find an equation of the ellipsoid. Assume that the center of a planet is at the origin and the xy- trace 
corresponds to the equator.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
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Perform the indicated operation.67 - (-10)
A. 57 B. 77 C. -77 D. -57
Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 4
A. 6.0 B. 12.0 C. 1.5 D. 3.0
Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(-64)4/3
A. 4,096 B. not a real number C. 256 D. -256
Answer the question.How can the graph of f(x) = 0.5?-x? - 10 be obtained from the graph of y = ?x??
A. Reflect it across the x-axis. Stretch it vertically by a factor of 5. Shift it horizontally 10 units to the right. B. Reflect it across the x-axis. Stretch it horizontally by a factor of 10. Shift it horizontally 5 units to the left. C. Reflect it across the y-axis. Shrink it vertically by a factor of 0.5. Shift it vertically 10 units upward. D. Reflect it across the y-axis. Shrink it vertically by a factor of 0.5. Shift it vertically 10 units downward.