Answer:
A=50
Step-by-step explanation:
assuming you mean 100-A+20-70=0
you need to solve for A, which means add all your numbers together and isolate A.
-A+50=0
A=50
Number 5 is c, number 6 is 'a'
Answer:9.4cm2
Step-by-step explanation:
Answer: THE ANSWER IS C
Step-by-step explanation:
I think the answer is 22mn2+66m2n-64 since there are no more like terms
