Answer:
y-intercept = -5
slope = 4
equation = 4x - 5
Step-by-step explanation:
-5, work backwards. you know 2 + 4 * ? = -18.
start by subtracting 2 from both sides giving you 4 * ? = -20.
now you divide 4 from both sides giving you ? = -5
i used ? to represent the missing number btw!!
Answer:
the number of protons identifies what element it is, since it has 35 protons it is Bromine
number of protons=atomic number