Use the theoretical probability formula to solve the problem. Express the probability as a fraction reduced to lowest terms.Use the spinner below to answer the question. Assume that it is equally probable that the pointer will land on any one of the five numbered spaces. If the pointer lands on a borderline, spin again. Find the probability that the arrow will land on 1 or 5. 
A. 3
B. 1
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Find a parametrization for the ellipsoid 
+ 
+ 
= 1. (Recall that the parametrization of an ellipse 
+ 
= 1 is x = 8 cos ?, y = 9 sin ?, 0 ? ? < 2?).
What will be an ideal response?
Mathematics
Indicate whether the rational expressions are equivalent.
and 
A. The expressions are equivalent. B. The expressions are not equivalent.
Mathematics
Simplify the exponential expression.
A. x2 B. -6x3 C. -6x2 D. x3
Mathematics
Simplify. 18?3? 3
A) 9 B) 3 C) 12 D) 24 E) 18
Mathematics