Suppose that x and y vary inversely and that x = 2 when y = 8. write the function that models the inverse variation. a. y = 16/x
b. y = 10/x
c. y = 4x
d. y = 6/x

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

How can constraints be used to model a real-world situation?

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes