A cyclist rides her bike at a rate of 8 meters per second. What is this rate in kilometers per hour? How many kilometers will the cyclist travel in 2 hours?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?

Tom drove 206 miles in 3.9 hours. estimate his average speed.