Answer:

Step-by-step explanation:

+8n +8n

Answer:
anything above 7 or not equivalent to 7 can be the answer
Step-by-step explanation:
8÷7=a undifined number but if it is 7÷7 its 1 and if you got 7÷1 it is 7 so anything other than those answers should be it
Answer: x=4. PS=QR=15
Step-by-step explanation:
Answer:
Choice 'D' (10x + 9) (10x-9) is the correct answer
Step-by-step explanation:
100x^2 - 81
This is a difference of squares...
therefore = (10x + 9) (10x - 9)
Area abc def cuase its 126-72+28=82 so abc def