a barrel holds 21 qt of oil. Trina drains the barrel at a rate of 6 c per min. How long does it take her to empty the barrel?. (1 qt =4 c) *

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.