A bowl contains 7 marbles of various colors consisting of green, brown, and red.

Tim knows that in the bowl, 3 marbles are green and 1 marble is brown.
What is the probability that a randomly selected marble will be red?

Write your answer as a percentage.
Probability(red) =_%

Note: Round your answer to the nearest hundredth.
Please help

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

Graph the equation by plotting point x=2

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap