y=x^2-2x-15 (1) y=8x-40 (2)
8x-40=x^2-2x-15
X^2+10x-25=0
(x-5)^2
×=5 y=0
110 % of something is 110/100 = 1.1 times that something
so 110% = 200 * 1.1 = 220 answer
Answer:
The first answer.
Step-by-step explanation:
The first answer.
What was the temperature of the air?
'was 2C warmer than the surface of the ice'
warmer than= +2c
Temp. of ice=-2c
-2c+2c=0
C=(-10;5). If you want an explanation I would be happy to explain it
