HELP 30 POINTS!! 1. Use the Pythagorean theorem to find AD. Show your work. Write your answer in the space below. 2. Find AC. Show your work. 3. Is ABC a right triangle? Explain. (Be sure to explain)

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

you can't solve x because it is 2 linear equation and you only have one equation

600,000,000,000, or 6e14

step-by-step explanation: