Nellie and her younger sister debbie share expenses on a holiday. nellie spends $122 more than debbie. their total expenses amount to $840.

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.