It is 121 x 10^12 so the answer is A.
Answer:
25$
Step-by-step explanation:
5=2
10=4
15=6
20=8
25=10
Answer:
The answer is x - 13y
Step-by-step explanation:
Answer:
(x) = 
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 5x + 4 ( subtract 4 from both sides )
y - 4 = 5x ( divide both sides by 5 )
= x
change x to
(x) and y back to x, thus
(x) = 