Solve the pair of linear equations by addition.
If there is one common solution, select the correct ordered pair of the point of intersection. If there is no one common solution, select either parallel or coincide for the correct answer.
A. 
B. 
C. 
D. The lines are parallel.
E. The lines coincide.
Answer: B
Mathematics
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Tell whether the statement is true or false.Every rational number is an integer.
A. True B. False
Mathematics
Solve the matrix equation for X.Let A = 
and B = 
;
B - X = 3A
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics
Tell whether the number is a solution of the given equation or inequality.-7; 2x = -14.
A. Yes B. No
Mathematics
Solve the problem. Use 3.14 as the approximate value of ? unless otherwise instructed. Round to the nearest tenth unless otherwise indicated.The foundation for a cylindrical flower bed is a cylinder 21 m in diameter and 3 m high. How many cubic m of concrete are needed to build the foundation?
A. 4154.2 m3 B. 2077.1 m3 C. 395.6 m3 D. 1038.6 m3
Mathematics