AH AGAIN!? so someone helped me understand how to do long division again! ty, i just need to know...

what is this?
ima give the crown again for this one as well (also 20 points for this!) (sorry if im bothering anyone!!)

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students