A man wants to determine the height of a light house. He measured the angle at A and found that tan A = 3/4. What
is the height of the light house if A is 40 m from the base ?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters