Anyone know how to do this?

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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.