Any suggestions need on this question?

Brent wants to know what is 5 x 1/2

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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.