Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. Find all solutions whenever they exist.
(2,2)
Mathematics
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Use a graphing calculator to find the matrix product and/or sum.Find AB + AC.A = 
B = 
C = 
A. 
B. 
C. 
D. Does not exist
Mathematics
Use a graphing utility to graph the equation. Use the graph to approximate the values of x that satisfy each inequality.
?
Equation:
?
Inequality:
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Write an algebraic equation and use it to solve the problem.How much pure acid should be mixed with 9 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 13.5 gal B. 22.5 gal C. 4.5 gal D. 36 gal
Mathematics
Perform the indicated operation and reduce your answer if possible.
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Mathematics