Julian study a dog walking business over his summer break. he charges $10 for every 1/3 hour he walks a dog if he increases his feet by 10% what is the amount of increase per 1/3 hour?

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

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.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?