Janet correctly answers 45 questions on her science test. there are 50 questions on the test. enter the percent of the question janet did not answer correctly

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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?