Answer: its 130 degrees
Step-by-step explanation: if you reflect it over the line and translate it up a little to be on top of the other image it will be the same and have 130 degrees in the same spot
Answer:
105
Step-by-step explanation:
273/13 × 5= 105
That's the correct answer
The half life is 138 days, meaning exactly half of the material will decay after this time. Use this information to find the decay factor 
:
Then after 250 days, there will be
grams left.
In this problem, you combine the like terms...
4a - 3b + 7a
4a and 7a are like terms so you add them together.
4a + 7a = 11a
So, the answer is: 11a - 3b
