Use Polya’s four-step problem-solving strategy and the problem-solving procedures presented in this lesson to solve each of the following. 1. Chris and Dani volunteer at the food bank at 9:00am on Saturday mornings. It takes 30 minutes to get from Dani’s house to the food bank. Chris picks up Dani, but it takes him 15 minutes to get to Dani’s house. If it takes Chris 45 minutes to get ready in the morning, what is the latest Chris should get out of bed?

Q: 7. Explain how you know that 5x12 + x+ + 9x² < 0 has no real solutions.

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