Answer:

Step-by-step explanation:
Given


Required
Find p, when 
We have:

Express as equation

Make k the subject

When: 


When
, we have:




Answer:
the answer is 4
Step-by-step explanation:
Answer:
228
Step-by-step explanation:
All four sides of a square are equal.
57×4=228
Answer:
43
Step-by-step explanation:
49+88=137
180-137=43