Lisa drew a figure with two sides perpendicular. write the pair of perpendicular sides. what figure is it?

Find the value of the cosine for angle a

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Sandy is ordering bread rolls for her party, she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.