91Ó°ÊÓ

Tobias' average for five quizzes is \(86 .\) If he wants to have an average of at least 88 for six quizzes, what is the lowest score he can receive on his sixth quiz?

Estimate each square root to the nearest whole number. Do not use a calculator. $$-\sqrt{17.3}$$

Writing in Math Explain the relationship between the area of a square and the length of its sides. Give an example of a square whose side length is irrational and an example of a square whose side length is rational.

Estimate each square root to the nearest whole number. Do not use a calculator. $$\sqrt{8.67}$$

Estimate each square root to the nearest whole number. Do not use a calculator. $$-\sqrt{19.85}$$

Find the value of each expression. $$24^{2}$$