John has $7.50 in his CashApp account. He spends $1.50 a day on a Chik Fil A chicken biscuit sandwich. After how many days will John no longer be able to purchase his breakfast sandwich?

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?