Mila is at a flea market. She has $50 that she will spend $15 on jewelry, $20 on a pair of jeans, $5 on a t shirt, and $10 on something to eat. She likes a one of a kind t shirt, but the seller is not ready to sell it for less than $8. She thinks of five ways to deal with this situation. Which two choices indicate a trade off?

Select all the correct answers. which statements fail to meet the requirements of a scientific claim? a). in the final 100 meters of a 10,000-meter race, an athlete's speed is more strongly related to anaerobic efficiency than to aerobic efficiency. b). flowers that reflect the most ultraviolet light are more likely to attract bees and other pollinators than flowers that reflect less ultraviolet light. c). the evidence supporting newton's laws of motion was accurate in newton's time, but the universe operates differently today. d). even though evidence indicates that the solar system's planets follow elliptical paths, copernicus's model involving circular orbits is true.