The difference of two numbers is one and their product is 56

Match each polynomial with its factorization.

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply