Help again, I will give Brainliest to whomever answers right and first!

A(t)=728(1+0.04)^t how much money did aditya originally invest

Multiply. write your answer in simplest form. 3/8 x 5/7

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists