A diver dove to a location 6 3/5 below sea level. He then drove to a second location 8 1/5 meters below sea level. How many meters below sea level are there between the 2 locations

Given that abcd is a rhombus, what is the value of x?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

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?