Various pieces of string are cut at different lengths. Stephanie selects three pieces that measure 4.5cm, 6cm, and 8.5cm. Determine what type of triangle Stephanie will form. a unique triangle. b no triangle C. a right triangle

What makes a trapezoid an isosceles trapezoid?

Use the squared identities to simplify sin^2x cos^2x

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.