Select the equation written in point-slope form.
A) 2x-y=4
B) y=2x-4
C) y+2=2(x-1)
D) y-x=4

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

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Collin did the work to see if 10 is a solution to the equation r/4=2.4