Answer:
4
Step-by-step explanation:
3y=12 divide both sides by 3
y=4
Answer:
36
Step-by-step explanation:
first is half of michels age, 6, then multiply it by 2, which is samanthas age, and then multiply that by 3, which is bens age.
Answer:
44, parallel, equals half
Step-by-step explanation:
i am not sure is this is correct but, I think that x+5 that x is 27 and the other one is 12 and the 27+5 is 32 and 32+12 is 44 so i am guessing that the BD side is 44, i guess and about the other , the first black space is parallel and the second is equals half
By definition, the circumference of a circle is:

The area of a circle is:

Where,
r: radius of the circle.
When the radius is double, then the new area is:

Rewriting we have:

In terms of a we have:
Answer:
The new area of the circle in terms of a is: