Cuál es el volumen en pulgadas cúbicas de una esfera cuya circunferencia mide 64 pulgadas aproximada

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet