Answer:
The answer is "
"
Step-by-step explanation:
The whole question can be found in the file attached.

Subtracting the
from both sides of the equations:


<span>What will be the cost of the glass to cover the picture?
</span>
D.$21.78
Answer:
Each side is 35.78 mm
Step-by-step explanation:
A square would have 4 equal sides. Since area of a square is x^2, where x is one side, we can write:
x^2 = 1280
x = 35.78 mm
Each side is 35.78 mm
Answer:
31
Step-by-step explanation:
4 squared is 16, and 5 times 3 is fifteen if you add them you get 31
That is a ratio. 7 x 3 = 21 and 13 x 3 = 39.