The graph is in the picture (0,8) (40,0)
Answer:
A)6
B)x 2
C)x
Step-by-step explanation:
Xy is the number
A) x + y = 7
B) 10y + x = 10x + y + 9
collecting terms of equation B
B) -9x + 9y = 9
multiplying A) by 9
A) 9x + 9y = 63 then adding it to equation B)
B) -9x + 9y = 9
18y = 72
y = 4
x = 3
The number is 34
1.

2.

3. -7/30
4. i believe it is the communitive of multiplication , but not 100% sure