4 years old is the answer i think
6 times because 6•7=42 so it must be 6 because 7•7=49
Good luck!!
You could directly add 6+4 which gives you the answer as well... M=10
Answer:

Step-by-step explanation:
subtract by 5 on both sides. ur left with

square root b and 16. the square root cancels out b squared. find the square root of 16. the square root of 16 is 4
Hey!
Diameter is ½ of the radius. To find the radius when you have the diameter, divide by 2.
For example, if the diameter is 12, the the radius would be:

<em>That means your answer will be C.</em>
