The answer is A because it’s A and it’s sooo easy I pass that grade
let "a number" = n
"3 times a number" = 3n
"the sum of 12" = "+ 12
Combine the two terms
3n + 12, or (B) is your answer
hope this helps
-10 + (-7) = -17
A negative plus a negative makes a negative
X-intercept is the first point that crosses the x axis, so 7
Answer is C