Answer:
I dont know what letter but its 12i^2+i+6
Step-by-step explanation:
cross multiply
I think that it could be B or A
Answer:

Step-by-step explanation:
1) Plug numbers into slope formula to find
.


2) Simplify to find
.


3) Check work.
This statement is true.
4) Write equation.

Answer:
x = 3.67
Step-by-step explanation:
Simplify both expressions
14x - 18 = 5x + 15
Subtract the bigger (n)x by the smaller
14x - 5x = 9x
Plus the smallest by itself, giving you:
9x - 18 = 15
+18 +18
9x = 33
Simplify ( divided by 3 )
3x = 11
x = 3.67