Solve the system using substitution.y = x + 2x - 5y = 9

A. (2, 5)
B. (8, 9)
C. all points on the line y = x + ; dependent system
D. empty set; inconsistent system


Answer: D

Mathematics

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Solve the problem.The percent of people who say they plan to stay in the same job position until they retire has decreased over recent years, as shown in the table below.Find a power function that models the data in the table using an input equal to the number of years from 2000. According to the unrounded model, in what year will only 23% of people plan to stay in the same job position until retirement?

A. 2015 B. 2011 C. 2013 D. 2016

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

Verify the identity.csc2  = 

What will be an ideal response?

Mathematics

Multiply. Write your answer in lowest terms.

A. - 
B. -  
C. -  
D. -  

Mathematics