Answer: no, your friend is incorrect. it would be -100
Step-by-step explanation:
1. divide all sides by 24 to save time.
37=21-20x
2. subtract 21 this both sides
16= -20x
3. divide both sides by -20
-16/20 = x
4. reduce to its lowest terms
-4/5= x is the answer
3t+40=A
he starts with 40, so you add that to 3 t (3 meters every year-t)

domain and range are both all real numbers :)
Answer:
L(2,4) M(3,1) N(0,4)
Step-by-step explanation: