It is typically easier to collect data from business owners of sports tickets than fans who use sports tickets. True or false

Solve this problem e=0+4m+p/6 (i also need to know what they are asking)

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.

How do you work out 21.3-8= show your working. plz