Answer:
b
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given


Required
Eliminate a
Multiply the first equation by -4

Add to the second equation

Solve brackets

Open bracket


At this point, a has been eliminated;
From the list of given options, the option that answers the question is 
Answer:
26
Step-by-step explanation:
add 222 and 20
Answer:
3/4 written as a percent would be 75%
Answer:
4°
Step-by-step explanation:
12-8=4
therefore the answer would be 4 degrees