1. Is the following equation linear or nonlinear : y=5x+4
2. How many solutions does this system of equations have?
y=3x+4
y=3x+2
3. Solve : (4.2x10^2)(5.2x10^3)=

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Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]