Answer:
x=-8
(-8,-7)
Step-by-step explanation:
–9x + 9y = 9
–9x + 9(-7) = 9 (y=-7)
-9x-63=9
Both side +63
-9x=63+9
-9x=72
Both side divide -9
y=-7
slope = (y2-y1)/ (x2-x1)
m = (0-0)/ (7--4)
m = 0/11
m=0
the slope is 0
4,4
80×5,5%
80/1×5,5/100
4/1×5,5/5
22/5 = 4 2/5
4 2/5 = 4 4/10 = 44/10 = 4,4
1. true
2. true
3. true
4. true
5. true