A machine made 2 72 pencils in 4g of a minute. It made pencils at a
rate of how many per minute?

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

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

What is the lcm of 16 and 40 ? 24 and 40 ?