Pls help me with this I have to go to bed soon( I need the volume of the sphere)

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Ineed no it anyone can see this