3(x-5)< =30how do you solve this problem

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

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.