18 years ago Tommy was a quarter of the age of his grandfather. Their current ages sum up to 136. How old is each? ​

What is the distance between point a and b

You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?

Lana's family entered a 5-kilometer race lana's average step length is about 0.5 meter how many steps will she need to take the finish