Ayuda porfavor!! Completa los numeros que faltan en la siguiente serie de fracciones equivalentes.
4/ = 8/ = /21=32/56
Ayudarme​

What is the frequency of the sinusoidal graph?

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?