Help me pls asap

Use set buikder notation to represent the following set: {, -2, -1, 0}

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

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the