Decide if the number is rational or irrational.0.77777777...
A. Irrational
B. Rational
Answer: B
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Perform the indicated operation. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
Use the Pythagorean Theorem to solve the problem. Express the answer in radical form and simplify, if possible.In a 37-inch square television set, the length of the screen's diagonal is 37 inches, Find the measure of the side of the screen.
A. 
in.
B. 
in.
C. 
D. 
in.
Solve the problem.Elissa wants to set up a rectangular dog run in her backyard. She has 20 feet of fencing to work with and wants to use it all. If the dog run is to be x feet long, express the area of the dog run as a function of x.
A. A(x) = 10x - x2 B. A(x) = 12x2 - x C. A(x) = 11x - x2 D. A(x) = 9x - x2
Rewrite the expression as a sum or difference, then simplify if possible.
?
?
A. 
B. ?
C. ?
D. ?
E. ?