Convert 15 meters per second into kilometers per hour. 9 kilometers per hour
42 kilometers per hour
4.2 kilometers per hour
54 kilometers per hour

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

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?