Answer:
13.5
Step-by-step explanation:
130 + 110 = 240 degree celcius difference between high and low temperature
The correct answer is b lave flows from a volcano and piles up
I hope this helps you
a=4
b=9
c= -1
disctirminant =b^2-4ac
disctirminant =9^2-4.4. (-1)
disctirminant =97
x1=-9+square root of 97/2.4= -9+square root of 97/8
x2= -9-square root of 97/2.4= -9-square root of 97/8
Answer:
-10 pounds or 10 pounds loss
Step-by-step explanation:
you subreact 10-20 and you get -10