Answer:
3rd
Step-by-step explanation:
Answer:
You need to solve for one variable in each equation and the substitute that in for the second equation.
Step-by-step explanation:
you would have to do 170/20 which equals 8.5 multiply that by 8
so his daily does would be 510 milligrams
Answer: inverse functions
Step-by-step explanation:
Inverse functions are symmetrical about the y=x axis. You could dot that line in by plotting points like (-4,-4) (-3,-3) (-1,-1) (0,0) (1,1) (3,3) etc. Then since you could fold the graph on that dotted axis and the two lines match up, you know they are inverses of each other.