Choose the most precise measurement 5yrd , 36in. , 3mi , 2 ft

Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?

Enter the amplitude of the function. f(x)=3cosx

The table shows how many people went on a roller coaster during 3 days. sean wants to know if the total of number of people is greater than 800. how can you answer sean's question without actually computing the total? explain. friday 158 people, saturday 292 sunday 278