The smith family wanted to to travel to new york city to see the statue of liberty. early one morning, they left (my county name), virginia and traveled 224 miles to new york. if the trip took 4 hours, how fast were they travelling? in other words, what is the unit rate? you must use a proportion.

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?

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

Can someone me and explain..will award brainlest!