-40
Step-by-step explanation:
at the moment your equation is x+40=0
you move the forty to the other side by subtraction and you get x= -40
a. (-1,-1) you can solve the vertices of / and RX is a median
Answer:
19. 5x²y⁷
20. a³b²c⁷
21. 4a³b⁴
Step-by-step explanation:
hope i helped! good luck in class!!
Would depend on how many other students are in the class/school.