Very important question i will give 50 points to whoever answers this question
1. refer to expression 1 and expression 2.
expression 1
6_7 - 3^2 _ 9+ 4^3

expression 2
5+4_2+6_2_2-1

(a) what is the value of expression 1?
(b) insert parentheses in expression 2 so that it has a value of 19. then show why your expression has a value of 19.

you are saying it as if a fact, not a question, but yes, you would be correct? ; )

step-by-step explanation:

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.