Given that abc ~ def, if ef = 7.5 what is the length of ?

6.5
6
5
5.5

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer