Chứng tỏ đa thức p(x) thõa mãn: Px(x+5)=(x+7)Px. Có ít nhất 2 nghiệm

Which table shows a proportional relationship between miles traveled and gas used?

What’s the answer ? use the picture to see the problem

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?