Atrain travel 12 miles in 8 minutes at this rate how many miles does the train travel 60 minutes

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?