What is the equation of a line with a slope of 7 and a point (1, 8) on the line? express the equation in the form of y = mx + b, where m is the slope and b is the y-intercept.

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

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

Solve x+3y=6 and 4x-6y=6 by elimination . show work !