System of Equations STAAR

Which graph can be used to find the solution to the system of equations?

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A loan company is offering interest free students’ loans to college students. Two students apply for loans. Student one borrows $5000 and will repay $250 per month for 20 months. Student two borrows $7500 and will repay $500 for 15 months. Which system of equations can be used to determine the number (x) of months after which both students will have the same loan balance (y)?

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What is the solution to this system of equations?

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Which graph represents a system of equations with no solution?

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There are 15 plates in a kitchen cabinet. The diameter of each plate is either 7 inches or 12 inches. The diameter of all 15 plates combined is 140 inches. Which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?