Put the steps in order to solve the following problem by completing the square in the correct order 2? + 18x - 72 = 0 1. (x + 9)^2=153
2. x = -9 plus or minus 3 square root of 17
3. x + 9 = plus or minus the square root of 153
4.x = -9 plus or minus the square root of 153
5. x^2 + 18x+ 81 = 153
6. x^2 + 18x = 72

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For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost