Draw the image of ABC under a translation by 2 units down.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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?