1: name 3 methods for solving equations.
2: if a system has no solution, how does it look on a graph?
3: describe the characteristics of a graph when systems of equations have infinitely many solutions.
4: identify the solution to a system of equations for a graph.

1- The Substitution Method, Addition Method and Graphing method

2- The system is graphed as parallel lines, no interception between equations

3- One of the graphed lines is merged inside the other, it appears that an equation is missing.

4- The equations are graphed showing a common interception.

step-by-step explanation:

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question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.