Answer:
.....
Step-by-step explanation:
2x-5 is the expression that represents 5 less than twice x
Maybe you can study it or figure out a trick. I usually study with my sibling, but if you don't have any, friends or other family. I am sure they won't mind. Also, maybe making flashcards, those work well.
Also, you can print out worksheets and make your brain remember. PRACTICE!
0.666• To get the answer you divided 4 by 6.
4÷6=0.6666