Joel is making a scarf. The diagram shows the ratio of knit stitches and purl stitches of Joel's scarf. Purl Based on the ratio, how many purl stitches are there if there are 8 knit stitches in one row of Joel's scarf?

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample