Answer:
18
Step-by-step explanation:
delta math
Group 17. They combine with alkali metals and form salt, the are reactive, they have 7 electrons in their outer energy level
Answer:
Step-by-step explanation:
First add 5x to 12x which becomes 17x and subtract 8 from 12 which becomes 4. So the answer is 17x+4!
The answer is 12ofer35 like 12/35
The null hypothesis is that the mean is 83 out of 100. The alternative hypothesis is that the mean is less than 83.