Acertain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint

Which statement about the graph of y = 8(0.25)^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

Find solution of the linear equation y = 2/3x + 1/3