A 25 ft ladder touches a house at a point 21ft above the ground. How far is the base of the ladder from the house? Round your answer to the nearest hundreth.
21ft
25 ft
The base of the ladder is
ft from the house.

the discriminant is 64 + 4*1*12 = 112

this is prime.

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.