The answer is 15.525. All you have to do is divide 279.45 by 18 which gives you 15.525.
A=27.18
There is a photo showing the answer and the formula and stuff hope this helps
Answer:
I get 20
Step-by-step explanation:
While there probably is some logical way to go about this I just did it in excel
screenshot below
Answer:
3
Step-by-step explanation:
f^-1 (-3)
-1 times 3
And so the solution is 3
Hope this helps! :)