16. A florist is organizing a sale that offers carnations at a price of $4 for 10 and daisies at a price of $7 for 5. The florist plans to order a maximum of 500 flowers
for the sale and wants the revenue from the sale to be at least $400. If x is the
number of carnations and y is the number of daisies, and the florist sells all the
flowers ordered, which system of inequalities best describes this situation?

Snakes, dogs, and humans have a vertebral column. snakes and dogs have tails, and humans have vestigial tailbones. dogs and humans have limbs, but snakes do not. most reptiles lay eggs, but a few give birth to live young. what do these structures suggest about the evolutionary pattern between the three organisms? 1. snakes and dogs are more closely related than snakes and humans. 2. snakes and humans are more closely related than humans and dogs. 3. dogs and humans are more closely related than snakes and humans. 4. dogs, snakes, and humans share a common ancestor. 5. the early ancestor of snakes and dogs is the same, and the early ancestor of humans is different.