A 13-ft ladder is propped against a vertical wall. The top end of the ladder is 12-ft above the ground as it leans against the wall. What is the measure of the angle formed by the ladder with the ground? Round all answers to the nearest degree. A.38 B.67 C.43 D. 23​

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

a

step-by-step explanation:

x = 3 ± √(5+y)