Acompound that is composed of only carbon and hydrogen contains 85.7% c and 14.3% h by mass. what is the empirical formula of the compound?

Choose all that apply. when creating a graph, you should: determine the x- and y- variables label the scale on the x- and y- axes plot the data points draw a line of best fit to represent the data trend

Why does a red shoe appear red in daylight

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)