The heights of a large population of ostriches are normally distributed. Which is the closest percentage of these heights that is within 3 standard deviations of the mean?

Adeli charges the same price, $5.50, for all of its different sandwiches. if a company ordered n sandwiches for a luncheon, which equation could be used to find the total price, p, that the deli charged for the sandwiches? a- n/5.50=p b-5.50n=p c-5.50/n=p d-5.50+n=p

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?