Step-by-step explanation:
the answer is in the picture
Answer:
21
Step-by-step explanation:
Answer:
7 and 8
Step-by-step explanation:

(x+3)(x+4)

(x+2)(x+6)
Each side is 9 cm. a square has equal sides, so 36 divided by 4= 9
Answer:
it is the abstract science of number, quantity and space, either as abstract concept