Answer:
The answer is profit over cost of sales time 100 (80-50)/50 x 100 = 60% mark up
All solutions are colloid because the mixtures are uniform in the ratio of combination of substances.
The solutions to this equasion are x = 0 and y=1.
The Answer: is ( Right . )
For the second answer is ( reflected over the x axis . )
The third one is stretch by a factor of 3 .
the fourth one is graph A
Step-by-step explanation: