Factor the binomial completely. If it is prime, say so.49k2 - 36m2
A. (7k - 6m)2
B. (7k + 6m)2
C. (7k + 6m)(7k - 6m)
D. Prime
Answer: C
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Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions. x - 3y = 63y + 1 = x
A. Infinitely many B. No solutions C. One
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x. src="https://sciemce.com/media/4/ppg__2720710191003__f1q77g6.jpg" style="vertical-align: -17.0px;" />
x - 
y = 
x + 
y =
A. 
B. 
C. 
D. 
Solve.The length, y, of the picture is triple its height, x. It took molding 240 inches long to frame the picture. Find the dimensions of the frame. 
A. length: 30 in. height: 90 in. B. length: 180 in. height: 60 in. C. length: 60 in. height: 180 in. D. length: 90 in. height: 30 in.
Simplify. Express the answer using positive exponents.x ? x-6
A. x5
B. 
C. 
D. x7