What is the percentage of 7 out of 12 show work

Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

What is the remainder when 3x^2-x-10 is divided by x-1 -6,-7,-8, or -9