Ad←→ is tangent to circle b at point c. The measure of ∠abc is 40º. What is the measure of ∠bac? 40º 50º 90º 180º

The authors use the word “backbone” in lines 3 and 39 to indicate that

Heights of men on a baseball team have a bell-shaped distribution with a mean of 177 cm and a standard deviation of 6 cm. using the empirical rule, what is the approximate percentage of the men between the following values? a. 159 cm and 195 cm b. 165 cm and 189 cm a. 89% of the men are between 159 cm and 195 cm. (round to one decimal place as needed.) b. 89% of the men are between 165 cm and 189 cm. (round to one decimal place as needed.)

Which best describes standard precautions?