Find the graph of the equation. 
a. 
b. 
c. 
d. 
b.
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Evaluate by using scientific notation and the laws of exponents. Leave you answer in scientific notation.
A. 20 × 1019 B. 20 × 1018 C. 5 × 1018 D. 5 × 1019
Find all real solutions to the system of equations using the addition method. x2 - 3y2 = 14x2 + 3y2 = 19
A. (-1, 2), (1, -2) B. (2, 1), (-2, -1) C. (1, 2), (-1, 2), (1, -2), (-1, -2) D. (2, 1), (2, -1), (-2, 1), (-2, -1)
Find the vertices of the ellipse.2x2 + 3y2 - 20x + 18y + 71 = 0
A. (6, -3), (4, -3) B. (6.7, -3), (3.3, -3) C. (-6.7, 3), (-3.3, 3) D. (-4, 3), (-6, 3)
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100