B.25
sorry if my writing is not clear
Answer: 2.5 hours
Step-by-step explanation:
Answer:
This would be Helium(He)
Step-by-step explanation:
Its Helium because the bohr model in the picture has 2 electrons.
On the periodic table, it says that Helium has 2 protons which are also equal to electrons
Answer:
B
Step-by-step explanation:
To find the value of f(x) at x=-1, we substitute x=-1 and simplify.

f(-1)=2.
Answer B.
Diving company A charges $30 per hour for diving lessons. Diving company B charges only $22 per hour but they need a $48 down payment. At how many hours would the price for company A be equal to company B?
30x=48+22x
30x-22x=48
8x=48
x=6
Hope this helps!