Answer:
10
Step-by-step explanation:
(x + 2) + (-2 + x) = 20
2x + 0 = 20
2x = 20
x = 20/2
x = 10
$91/ 7 = $13 per dog
$117/$13 = 9 dogs
He washed 9 dogs
Answer: So, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on, are all square numbers.
hope this helps
Answer:
7
Step-by-step explanation:
that what i thank it is
