Bubba bulldog and all of his dog friends love to hide bones! bubba hid 4 bones, barry hid 5 bones, larry hid 10 bones, and goby hid 13 bones.

find the mean of dog bones

1foot = 12 inches; 1 yard = 3 feet

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?