1. Add all the sides 33 inches left and right and 75 inches. up and down.
Perimeter= 216
2. If 2/3 pounds is needed for 1 cheese cake and you have 2 pounds its not enough so 2 minus 2/3 will give you a mixed fraction : 1 over 1/3 or a decimal : 1.3
Idk if they want you to divide but if they do then your answer is 1/3
L=25
If the length is 25 yards then you use 50 yards of fencing for the length, this leaves ten yards for each width of fencing each.
10 yards is 15 yards less than 25 yards showing that this is the correct answer.
The friend is incorrect because 2 translations would just move the shape to a different area, then a reflection would reflect it.
Long story short: if you do to translations that only move in one direction for ex. X+10 y+ 0 then it will be a glide reflection
+2,+2,+2,-2,-2,-2,+2,+2,+2 etc