What is the value of n for which the relationship "2n choose n" < 2^(2n-2) holds? use induction to prove that it holds for every n larger than that value as well.

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

Evaluate cos2θ for cosθ = square root of 3/2

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?