PLEASE HELP
who every gets it right I will give and 20 points

Dr.cooper just started an experiment. he will collect data for 8 days. how many hours is this

What is (28 + 7 + 6 + 3) x 1/2 show your work

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