Step-by-step explanation:

Answer: disisisissisi disk man
Step-by-step explanation: brobro
Answer:
The specific gravity of kerosene is 0.82
Step-by-step explanation:
Let
x -----> the weight in grams of a cubic centimeter of Kerosene
y ----> the weight in grams of a cubic centimeter of water
z ---> the specific gravity of a substance
so

we have

substitute the values

Answer:
Always
Step-by-step explanation:
Subtracting a from both sides yields b>0, which is always true since b is a positive integer.