During the Cold War, the path of an American submarine is plotted on a set
of rectangular axes as 2x + 3y = 5. On
the same axes, the path of a Russian
submarine is x - y = 10. If the Russian
submarine can only hit the target along
its path, what will be the point at which
the commander should set the target to
destroy the American submarine?​

Is the orthocenter of a triangle on the inside ?

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