Answer:
7inches
Step-by-step explanation:
1x7
Answer:
-5
Step-by-step explanation:
The dot means multiply: so 
Also: 5² = 5 x 5 = 25
Therefore,





Answer and Step-by-step explanation:



θ
pi r 



So the question is asking to covert the said formula by making the a as the solution or the ask of the said equation, well in that matter, I would say, base on my own conversion and further computation about the said equation, the value of a is (y+z)/(x+w). I hope this would help