The angle θ1 is located in quadrant 3, and sin(θ1) = -12/13. what is the value of cos(θ1)?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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