Offering 20 points to whoever answers all of them!

What are the sotions to the quadratic equation 9x^2=4

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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.