Challenge 100÷20=? and explanation

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

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

Write a function rule for the table