15 Taylor's each works 8 hours a day take four days to make 6 dresses how many hours a day should 12 Taylor's take to make 15 days is in 3 days ​

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

Can someone me with these two circle theorem questions asap?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.