Factor to write an equivalent expression using the GCF.
9x – 45y

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

What is the slope of the line shown below?

What is the ratio of the length of an object in yards to the length of the same object in miles?