The result of one trial does not affect the result of another trial.
Brainliest pts
P-24=15
because if argentina has 15 more than south africa then you need to subtract 24-15=p which is pretty much the same things as p-24=15
and if you need to know how many provinces south africa has then 9 provinces should be your answer
90≤4x+30
Yes she will have enough. 4 multiplied by 18 is 72. 72+30=102.
Hope this helped.
First you had to expanded form.


Finally you can also add by similar to elements.


Final answer: 
Hope this helps!
And thank you for posting your question at here on brainly, and have a great day.
-Charlie