Step-by-step explanation:
And he wants to know how many backpacks he has. Simple!
2*3*5=25 backpacks
:)
Answer:

Step-by-step explanation:
1) Use square sum: (a + b)² = a² + 2ab + b².

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>x</u><u>²</u><u> </u><u>+</u><u> </u><u>2xy</u><u> </u><u>+</u><u> </u><u>y</u><u>²</u>.
The line that is being constructed in the series of diagrams provided is perpendicular.
Answer:
-7/4x-68
Step-by-step explanation: