Answer:
John = 41 years
Sam = 32 years
Step-by-step explanation:
Answer:
B) 20
Step-by-step explanation:
2808 lb. / 140 lb. ≈ 20
The answer to the question is 14
x^4 + 14x^2 + 49
(x^2 + 7)^2
perfect square
Answer:
To be precise, I think it's a pattern question, where you have to add 4 to each number. I'm not very sure though.
Answer:
He is 13 years old
Step-by-step explanation:
32-45=-13
the opposite of -13 is positive 13