An airport parking lot charges a basic fee of $2 plus $1 per half-hour parked. Write an equation for the total charge, c, in terms of the number of half-hours parked, h.

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.