The required rate for a ramp is a maximum of 1 inch of rise for every 12 inches of length traveled. The first ramp needs to grant access to the restrooms. The restroom door is 18 inches off of the ground. How far away does the ramp need to start in order to meet the required rate?

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Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?