Write the ratio in simplest form: 27 red markers to 12 blue markers

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

Kayla made observations about the sellin price of a new brand of coffee that sold in the three different sized bags she recorded those observations in the following table 6 is $2.10 8 is $2.80 and 16 is to $5.60 use the relationship to predict the cost of a 20oz bag of coffee.

Find the distance between c and d on the number line c=3 and d=11