Segment GH is the diameter of a circle. If Point K is located on the circle, which of the following could be the measure of 2 GHK?

Evaluate cos2θ for cosθ = square root of 3/2

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?