Help me, please! I'll give a lot of points! Solve the system of equations to find a and b.
a + b = 22
3a + 1b = 30
Explain how you got the answer (step-by-step) and name a particular method you used.
If the answer does not contain everything, I'll delete it. Sorry :/

  a=4,b=18

Step-by-step explanation:

I used Multiplication to solve, How you may ask?

Well, 10 * 3 and 11 + 11 and that's the answer

your welcome ;)  

( If its not correct i Just used the method they taught us)

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.  

a and c

step-by-step explanation: