I need to know this for a review packet

I need to know this for a review packet

y = 2x + 1 Y = -4x + 7

Thanks for the help in advance :))) So basically im having some trouble, But i dont want to just know how to do it i want to know how its done if i got it wrong.. So i have a couple math...

you are selling tickets for a high school ply. student tickets cost $4 and general admission tickets cost $6 . you sell 525 tickets and collect $2876.

The results of the survey are shown in the table. If a student registered early, find the probability that the student is a undergraduate ...

9x+18+3x=1 9x+18=(-2) 9x=(-20) x= (-20/9)

i really cant think of the word for these 2 neither can i for the other question

I already know the answer to this question, however I need to know the steps to solve it so I can study.

HELP LAST QUESTION PAST DUE !!!

HELP DUE IN 10 MINS

im stuck on this i need help

I need help with this because it sounds confusing.

Super confused

Which # is irrational? Question 18 options: √9 2.78 3.1415978... 1/2

true of false

3 watermelons and 2 cantaloupe weigh 32 pounds. 4 watermelons and 3 cantaloupes weigh 44 pounds. Assume all watermelons and all canteloupes weigh the same.

how do you solve this problem? 2k^2+7k+3