For the first one yes because you add essentially 1, but three times so you have 3x's whish is 3x. for problem two you get 8xy because of the common base number. number two is no. for number three. no,because you distribute the negative which woukd make negative x minus 8. number problem 4 yes because distrubute the 4 to the x and 5
Integrating
gives

Notice that
forces all terms in the sum to be 0, so that

and hence

making the first option correct.
Answer:
i think it's 51 because if you add 106 and 23 together it's 129 then 180-129= 51
Step-by-step explanation:
A idk if that right but I slow so
We can use the <em>less than</em> symbol which I have shown on the whiteboard.
Ignore the first example on the top right as that's another example.
So, we can say that 11 < 20 or 11 is less than 20.