Prove that f12 +f2 +···+fn2 =fnfn+1 when n is a positive integer.

Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?

How many degrees are there in the central angles in a circle

Which equation represents h in the triangle? a) h = 6sin37° b) h = 10sin37° c) h = 6 10 sin37° d) h = 10 6 sin37°