Answer:
f(x)= 1 - 2x
Step-by-step explanation:
Answer:
84
Step-by-step explanation:
The mean is calculated as
mean =
, then
= 21 ( multiply both sides by 4 )
sum = 84
<span>ur more than a number x + 4 or 4 + x<span> start with a number, add 4</span></span>
Answer:
72
Step-by-step explanation: