(x+3)^4=(x+3)^2)^2=(x^2+6x+9)^2=x^4+36x^2+81+12x^3+108x
Answer:
Barium, Strontium and Beryllium
Explanation:
There are 18 groups in the periodic table and the previous 3 all belong to the same group, group 2 the alkali metals
Silicon is group 14, the carbon group
Aluminum is in the boron group, group 13
Osminium is in the group 8 transition metals
A^2+b^2=c^2
160^2+160^2 = 51,200
Square root of that is <span>226.27416998</span>
Answer:
24
Step-by-step explanation:
20% of 30 = 6
30 - 6 = 24
Answer: x=2
Step-by-step explanation:
did the math