Answer:
14
Step-by-step explanation:
12:6=2
12+2=14
so her brother it's 14 years old
This is a false statement.
When you are solving using square roots, you need to be aware that answers can be both positive and negative. When we solve this, you see there are two possible answers.
x^2 - 9 = 0
x^2 = 9
x = +/- 3
While 3 is an answer, so is -3. If we square either of those numbers, we get 9, which will satisfy the equation.
Answer:
The answer is (1,2) (4,4) (3,7)
Step-by-step explanation:
Answer:
11 hours
Step-by-step explanation:
132/12=11
