Answer:
4a + 4b - 2
Step-by-step explanation:
To evaluate h(a + b) , substitute x = a + b into h(x), that is
h(a + b) = 4(a + b) - 2 = 4a + 4b - 2
He ran 1 meter in about .10 seconds
Hope this helps!
Answer: The second circle
Step-by-step explanation: I got a 100
There is no attached picture, but I guess it is like the one I attached.
If so, the first thing is finding the side measure:

Now, radius is half this measure: 15 in.
And circle area is: