(Look at pic) Two angles are complementary. One angle is
labeled (2p+9)°. The other angle is labeled
4pº. Find the value of p.

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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?