I'm not sure how to do this

Taking algebra two apex courses and need with these questions

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

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.