In september a clothing store had a sale where you could get 3 scarves for $13.35. in october the price was changed to 5 scarves for $22.65. on which month did a scarf cost the most?

Evaluate cos2θ for cosθ = square root of 3/2

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2