Answer:
im not good at math
Step-by-step explanation:
I divided 2.25 by 2/3 and got 1.50. That may be the answer if it's a choice.
Answer:
Step-by-step explanation:
Answer:
(no change)
Step-by-step explanation:
Recall that the average rate of change of a function
over the interval
is equal to
:

Hence, the average rate of change of the function
over the interval
is
, or no change.
Let us say that:
x = age of brad
x + 2 = age of Alexandra
(x + 2) – 3 = age of Cecilia = x – 1
We are also given that:
x + x + 2 + x – 1 = 37
<span>
solving for x:</span>
3x + 1 = 37
3x = 36
x = 12 = age of brad
x + 2 = 14 = age of Alexandra
<span>x – 1 = 11 = age of cecilia</span>