Answer:
1) 
2) 
see the explanation
Step-by-step explanation:
we know that
The perimeter of the square is equal to

where
s is the length side of the square
we have

substitute

solve for s

The area of a square is equal to

substitute

we have that

therefore
2 equations that can determine the perimeter of the square are
1)
----> 
2)
----> 
Answer:
A. Congruent and D. Discs
Step-by-step explanation:
You won't see a cylinder that doesn't have congruent bases
Look at the shape of the bases and look at a disc compare their shape
Answer:
E. Not enough info.
Step-by-step explanation:
There could be 2 quarters 500 nickels and 7 pennies or 800 pennies 50 quarters and 2 nickels.
Answer:
(x + 7)2 + (y + 1)2 = r2.
To get we use point (8, 7): (8 + 7)2 + (7 + 1)2 = r2, r2 = 225 + 64 = 289 = 172.
So, equation of circle: (x + 7)2 + (y + 1)2 = 289
Step-by-step explanation: