1. 8a+a^2-10
2. v-6w
3. -2c^2+4c
4. z^3+8z^2+5z+7
Answer:
c
Step-by-step explanation:
25 degrees is the answer. CBE is supplementary to ABC. That means those two angles add up to 180 degrees.
Answer:
Metals which react with steam form the solid metal oxide and hydrogen gas.
In general, the more reactive the metal, the more rapid the reaction. Aluminium is unusual, because it is a reactive metal that does not react with water. Its surface forms a protective layer of aluminium oxide that keeps water away from the metal below.
The apparatus used to react a metal with steam and collect the gas produced is shown below.
Answer:
You did not provide options but it would be any one of them that starts with -3 and then has a decimal.
