The sum of two numbers is -1. their difference is -7. what is the two numbers

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

Evaluate the expression. (9 + 5)(3 + 2)0

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30