If a line is defined by the equation y = 3x - 7, what 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.

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer