19-20 = -1 u have to subtract left from tight <span />
Answer:

Step-by-step explanation:
You can use these Cramer's formulas to solve for x and y:

where

So,

Answer:
To find an answer in pi square the radius and multiply by pi
Step-by-step explanation:
To
find volume of a sphere = 4/3Πr³
Answer =17,164.2pi Am not sure but i hope its correct.
Answer:
L/k
Step-by-step explanation:
If Tim has a wire that is L inches long and each piece is k inches long, then you would divide the total length by the length of each individual to get the number of pieces.
So,
L/k