Answer:
x is horizontal, at the bottom(left to right), and y is vertical, going up and down
Step-by-step explanation:
see above
Answer:
it would be b for 1 since 7 would be negative and the 3 would be positive
Answer:
(r+s)÷3
Step-by-step explanation:
the sum of r and s - r+s
the quotient- ÷
by 3
Answer:2
Step-by-step explanation: 1+1=2
Answer:
18. one solution 19. No solutions
Step-by-step explanation: