The difference of 2 numbers is more than 12, and one of the numbers is solve it

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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?