Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Answer: B
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Fill in the blank with one of the words or phrases listed below.
A system of equations that has no solution is called a(n) 
system.
A. consistent B. independent C. inconsistent D. dependent
Solve the problem.Chandra has 3 liters of a 15% solution of sodium hydroxide in a container. What is the amount and concentration of sodium hydroxide solution she must add to this in order to end up with 5 liters of 19% solution?
A. 2 L of 23% solution B. 2 L of 28% solution C. 2 L of 26% solution D. 2 L of 25% solution
Use the vertical line test to determine if the graph is a graph of a function.
A. Function B. Not a function
Find the length of the unknown side of the right triangle.The length of the hypotenuse is 11
feet, and the length of a leg is 11 feet.
A. 22 ft
B. 121 ft
C. 11 ft
D. 11
ft