Which operation should be used to solve this problem? what is the answer? a sign has 64 rows of lights with 128 lights in each row. how many lights are on the sign? choose exactly two answers that are correct. a. multiplication b. division c. 2 d. 8,192

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.