A^2 - b^2 = (a-b)(a+b)
To test it, expand the right hand side.
Assuming the size of the whole remains constant, as you divide the whole into more pieces, each piece must be smaller. For example, when a whole is divided into four pieces vs nine pieces, 1/4 of the whole is larger than 1/9 of a whole.
Answer:
Step-by-step explanation:
3⁵:3² = 3³:1 = 27:1
:::::
4:5 = 1:5/4 = 1:1.25
Answer:
x = -21/5 = -4.200
Step-by-step explanation:
It would be $2.6 (or $2.60) per pound.
