10. How many solutions does this system of equations have? Explain how you know. y = -4x + 3
2x + 8y = 10

The surface area of the triangular prism is .

△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.

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