two boys received equal amounts of pocket money .after one had spent N$15 and the other had spent N$21,they had N$64 together .what were their original allowance?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Identify the number as a rational or irrational.explain. 127