Convert 1/8 into its decimal form and round to the nearest thousandth

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

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27