HELP NEED DONE IN 30 MINUTES

The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants