Answer:
Step-by-step explanation:
First add 5x to 12x which becomes 17x and subtract 8 from 12 which becomes 4. So the answer is 17x+4!
<em>( 5 , - 3 ) -------> ( 3 , 5 ) </em>
b=2a/h
To calculate the mean we need x and f both
the first one I think