In triangle ABC, m_A = 55°, m B = 30°, and a = 8. Which equation should you
solve to find b?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

The measure of an angle is 117°. what is the measure of a supplementary angle?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?