Ratio is the comparison of sizes of two quantities of the same unit. Proportions are the equality of two ratios. A/b =c/d
Answer:



Step-by-step explanation:
Given

Required
Select 3 equivalent expressions

Express 9 as 3^2
--- This is one equivalent expression
Take
as difference of two squares
-- This is another equivalent expression:
Solving further:
becomes
-- This is another equivalent expression:
Hence, the equivalent expressions are:



Answer:
.. ..
.. ..
Step-by-step explanation:
8/2=4
Answer:
35735
Step-by-step explanation:
Step 1:
35000 + 0.021(35000)
=35735