Mrs Chuong leaves home at 08:00 and drives at a speed of 50km/h. After 1/2 hour she reduces her speed to 40km/h and continues at this speed until 09:30. She stops from 09:30 until 10:00 and then returns home at a speed of 60km/h. Use the graph to find the approximate time at which she arrives home.​

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1