How long did it take for Car A to travel 10 meters

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

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?