Your friend has four times as many colored Sharpies as you do. Your friend has s Sharpies. Write an algebraic expression that represents the number of Sharpies you have.

What is the value of x? enter your answer in the box. (cm)

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?