I need some details... If i can get a little more details with that "check all that apply" and i could get you an answer.
Answer:
6cm is the missing length
Step-by-step explanation:
See the 10cm and the 4cm?
If you look at in a way if you added 6 more centimeters to the 4cm it would be 10, leaving 6cm as the missing length.
Answer:
Please Attach The Pic so someone can answer.....
Step-by-step explanation:
3(a+b) and 3a+b: not equivalent
4(x+2y) and 8y+4x: equivalent