Evaluate the following function k(n) = n2 – 3n; find k(n = 1)
please answer as fast as u can tyyy

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

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

What are the excluded values? m+5/mn+3m