Answer: 125
Step-by-step explanation: The whole triangle equals 180 degrees and you have 2 two sides 25 and 30 so subtract those from 180 and you get 125.
Answer: a/2 a/2
Step-by-step explanation:
same answer for both
Basically it is asking, for example:
If you move the decimal from 654 three places to the right, would the 10^ have a 10^- or a 10^+
we have

we know that
The radicand must be greater than or equal to zero
so

the domain is is the interval--------> [-2.25,∞)
therefore
<u>the answer is</u>
