Under her cell phone plan, Katherine pays a flat cost of $50 per month and $5 per gigabyte. She wants to keep her bill at $71 per month. How many
gigabytes of data can she use while staying within her budget?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Which representation has a constant of variation of -2.5

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?