Answer:
I'm not 100% sure but I believe the answer is A
6 because 45 divides by 3 equals 15 and fifteen minus 9 equals 6, if you plug 6 into the equation it makes sense
Answer:
3a × 4a = 12 a^2
Step-by-step explanation:
each and every term is multiplied, never leave any term without multiplying it
Answer:
9
Step-by-step explanation:
2,3,4,7,7,7,9,9,14,17,21
21,17,14,9,9,7,7,7,4,3,2
3,7,7,7,9,9,17,21
