Well there product has to be negative.
The correct answer should be b, 11 and 19
Answer:
i think your answer would be d
Step-by-step explanation:
The trophic level of an organism is the number of steps it is from the start of the chain
25 years old
25years old+25 years between=50 Erin's father
25 years old+50 Erin's father=75
Yes because for every x value there is only one y value that corresponds it that being said y values can be repeated but only x values can not