Answer:
MgCl₂
Step-by-step explanation:
<span>n=toms weight
(n-30)=jims weight
and together they weigh 210
so it would be (n - 30) + n = 210</span><span>
</span>
Answer:
126
Step-by-step explanation:
g•f(5)
g(f(5))
g(2*5+4)
g(10+4)
g(14)
14^2-5*14
196-70
126
If it costs $60 for 200 minutes you can do $60 divided by 200 to find how much money it costs per minute which equals .3 or 3 cents a minute. so if you have 1272 minutes you can multiply that by .3 and it equals $381.60