Emma is travelling to the store 25 miles away from her house. On Emma's map, her house and the store are 5 inches apart. What is the scale used for Emma's map? a.) 1 inch=5 miles
b.) 1 inch=15 miles
c.) 1 inch=25 miles
d.) 1 inch=100 miles

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

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.