Use a Venn Diagram and the given information to determine the number of elements in the indicated region.n(U) = 76, n(A) = 39, n(B) = 31, n(C) = 25, n(A ? B) = 8, n(A ? C) = 6, 
and 
Find 
A. 3
B. 30
C. 28
D. 2
Answer: C
Mathematics
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Factor completely. If unfactorable, indicate that the polynomial is prime.147a4b - 12b3
A. 3b(7a + 2b)2 B. 3b(7a2 + 2b)(7a2 - 2b) C. prime D. 3b(7a - 2b)2
Mathematics
Solve the problem.The symmetry type of an equilateral triangle is
A. D3. B. Z2. C. Z3. D. D2. E. none of these
Mathematics
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Mathematics
Write an equation for the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics