Ight night fam cya tmr ya manz is out peace.

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

3x + 4y = 5 x- 3y = -7 solve by substitution

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.