What is the y-intercept is this graph ?
A. 0
B. 2
C. 4
D. 8

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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?