Answer:
b. using a sample of size 40
Step-by-step explanation:
edg 2020
To attempt this algebraic equation we will be multiplying 4 to (3 - x) bracket so as to form the term on L.H.S.



Combining like terms, we get,





Answer:
Equation
Step-by-step explanation:
A statement that the values of two mathematical expressions are equal (indicated by the sign =).
^^ This is the definition of equation
Difference in size, degree, circumstances, etc.; lack of equality.
^^ This is the definition for Inequality
The question moves more toward equation than inequality.
12.
It is easy all you have to do is 15-3 because 1+2=3