Answer:
Step-by-step explanation:
The polynomial is simplified by combining like terms. Like terms are identified more easily if the variables in each term are written in the same order. We usually like to use alphabetical order. Two of the like terms have opposite coefficients, so they cancel. The result is ...
(3 1/2 -2 1/2)xy² +(-2 4/5 +2 4/5)x²y
= xy² . . . . simplified expression
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For x = 1, y = -2, the value of the expression is ...
(1)(-2)² = 4
Unit price is price per 1 unit of stuff
the 1 unit of stuff is 1 pound
2.50=2 units
divide both sides by 2
1.25=1 unit
answer is unit price is $1.25 per pound
Answer:
3 and a half
Step-by-step explanation:
Since it is half in a day they will lay 3 eggs and an egg will be in the process of coming