X^2 - 8x-9=0
D = b^2- 4*a*c = 64- 4* (-9) = 64+36=100 =10^2
X1 = (8-10)/2 = -1
X2= (8+10)/2= 9
I remember answering the same question, but you didn't attach any photos. But I remember that the answer is the first one.
I hope I helped. Stay safe and God bless!
- Eli <3
Answer:
SSS
Both these triangles are congruent to each other by SSS congruency
Hope it helps
Answer:
its A and C
Step-by-step explanation:
hope this helps and mark me brainliest
Two ways ∴
Fraction: 1 12/100
Decimal: 1.12