Harmony studies the same amount of time each day for a test. In 4 days she studied 60 minutes. How many days does it take her to study 36 minutes?

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Question 5 spring semester final exam math evaluate

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?