Layla is using the model to solve a division problem. An area model has 4 shaded parts and 2 unshaded parts. The shaded part is labeled two-thirds. Which question would the model be most helpful in solving? How many One-sixths are in 4? How many One-sixths are in Two-thirds? How many Two-thirdss are in 4? How many Two-thirdss are in One-sixth?

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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

If the scale factor between two circles is 2x/5y what is the ratio of their areas?