An airplane at 30,100 feet above the ground begins descending at the rate of 2150 ft./min. write and solve a linear equation to find the number of days their food will last

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.