11 if you multiply 11 by both the number and and the variable you’ll get 11x-55=66. Add 55 to each side which will give you 121 then divide that by 11
Muliply 65 and 0.12 and get 7.8
Subtract 65-7.8 to get marked down price
57.2 is the price after markdown
Y=-1/3x+5 because were the y axis is at is the 5 and u go up one to the right 3 to reach ur next point
86921 = 80000 + 6000 + 900 +20 +1