Leonardo draws a cookie on graph paper using the scale shown below. The cookie has a diameter of
12.5

cm
12.5cm12, point, 5, start text, c, m, end text in the drawing.
Which of the following drawings best represents the diameter of the cookie at the scale Leonardo chose?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]