Circle O has a circumference of approximately 44 in. Circle O with diameter d is shown. What is the approximate length of the diameter, d? 7 in.

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What numbers are included in the set of integers? what numbers are not included?

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12