Find the equation of a line through (3,5) that is parallel to y = 4x - 8

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

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

What is the value of x in the equation7x+2y=48 when y=3