What is the distance of the line on the coordinate grid?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

What is the difference between the equations of a vertical and a horizontal line?