In the graph below, line k, y = -x makes a 45° angle with the x- and y-axes. Complete the following:

RyRk : (2, 5)

(-5, 2)
(5, -2)
(-5, -2)

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

Tell whether the two rates form a proportion

Write the equations in logarithmic form 7^3=343