2(x + y) or 2y+x or 2x(x + y)
In the first one it would be (21-8)-6=7.
and in the second one it would be 21-(8-6)=19
Answer:
-2,0 0,-8 , 2,0 hope that helps
It increased a total of 4 inches.
Answer:
49
Step-by-step explanation:
25b² + 70b + ....
( 5b + 7)² = 5×5b² + 2×5×7b + 7×7 = 25b² + 70b + 49