Meg mows 20% of a lawn in 10 minutes how much more time will she need to finish mowing the lawn

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?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?