Brandon has an extension ladder that can only be used at a length of 10 feet, 15 feet, or 20 feet. He places the base of the latter 9 feet from the wall I need the top of the ladder to reach 12. Which ladder laying with Benton need to use to reach the height of the wall?

15

Step-by-step explanation:

Use Pythagorean theorem.

c² = a² + b²

c² = 9² + 12²

c² = 225

c = 15

2.

according to newton’s cannonball model, what happens if the cannonball's velocity is enough to overpower the pull of earth’s gravitystep-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}