Dilations, Similarity, & Slope: Question 10
Line m passes through the following points:
(6,5) and (−6,−5).

What is the slope of line m?
Select one:

1. −6/5

2. 5/6

3. −5/6

4. 6/5
Which one is the 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?