Answer:
Step-by-step explanation:
20
×48
-------
160
800
---------
960
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Answer:


Step-by-step explanation:
Given
A circular ring
Required
The length
Let
the radius of the ring
The length is calculated by calculating the circumference of the ring.
This is calculated using:

or

Where
diameter
and 
Answer:
0.03
Step-by-step explanation:
divide 3 by 10^3 to obtain the answer.
Answer:
S(-2,12)
y= -2(x+2)²+12
Location of coordinate axes:
y=0 → x= -2±√6 (-2-√6,0) (-2+√6,0)
x=0 → y=4 (0,4)