Robin purchased shares of a machine tool company and shares of an airline company. Let E be the event that the shares of the machine tool company increase in value over the next 5 months, and let F be the event that the shares of the airline company increase in value over the next 5 months. Using the symbols ?,? and c describe the event that the shares of only one of the two companies increase in value.
a. (E ? Fc) ?(Ec ? F)
b. E ?F
c. Ec ? Fc
d. Ø
a. (E ? Fc) ?(Ec ? F)
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A. 1.037 x 10-6 B. 1.037 x 10-7 C. 1.037 x 106 D. 1.037 x 10-5
Graph the equation.x = 1
A. 
B. 
C. 
D. 
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where x is the the year and x ? 1995. Find the x-intercept of the graph of A symbolically. Round to the nearest year.
A. 1959 B. 1963 C. 1961 D. 1956
Solve the problem. Write the answer in lowest terms.A nursery supplier has 
acre of land, and he purchases another 
acre. He wants to plant trees and shrubs, and he has already planted 
acre with shrubs. How much land is left to plant trees?
A. 
acre
B. 
acre
C. 2
acre
D. 
acre