Provide an appropriate response.Explain how (a - b)2 differs from a2 - b2 by expanding (a - b)2.
What will be an ideal response?
Expanding (a - b)2, one gets (a - b)2 = a2 - 2ab + b2, which differs from a2 - b2 by the term 
and the sign of b2.
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Solve the differential equation.x
+ 2y = 7 - 
, x > 0
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Use a calculator to approximate the number. (Round your answer to three decimal places.)
?
A. 3.624 B. 3125.000 C. 25.000 D. 125.000 E. 630.000
Multiply using the galley method.887 × 82
A. 72,734 B. 72,724 C. 72,744 D. 72,834
Solve the given applied problems involving variation.The crushing load of a square wooden post varies directly as the fourth power of its thickness and inversely as the square of its length. If a post src="https://sciemce.com/media/4/ppg__text0424191335__f1q22g5.jpg" alt="" style="vertical-align: -4.0px;" /> high?
A. 500 tons
B. 4000 tons
C. 10 tons
D. 900,000 tons
thick and 
high is crushed by a load of 
what is the crushing load of a post 
thick and