Question: For Exercises 89 through 92, use a calculator to evaluate each expression for x = 23 and y = 72. 1. 90. 2(x + y)2

For Exercises 89 through 92, use a calculator to evaluate each expression for x = 23 and y = 72.

1. 90. 2(x + y)2

2. 16y - 20x + x3

3. If x is a whole number, which expression is the smallest: 2x, 5x, or x/3? Explain your answer.

4. In Exercise 44, what do you notice about the value of 5(F - 32) / 9 as F gets larger?

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