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29. Identify the solutions of the system of equations if any 3x+3y=4 5x-
4y=3
30. Identify the solutions of the system of equations if any x=1y=1
31. Identify the solutions of the system of equations if any 7x+2y=26x-
2y=4
32. Identify the solutions of the system of equations if any 3x-
2y=65x=5-25y
33. A system of inequalities is defined by the following
formulas.10x+6y<306-10y>30which of the graph represents its solution?
34. Simplify (6x) ^2
35. Simplify x^2. x^5. x^2
43.Simplify (xy) ^-3/(x^-5y) ^3
44.Express 0.00078 in scientific notation.