The table below shows the weekly profits of a concession stand. What must the week 5 profit be to break even over the 5-month period?

week 1. week 2. week 3.
2.4. -1.7. 5.4.

week 4. week 5
-3.75

for any of you who need the translation here it is

step-by-step explanation:

find the angular size of the equatorial radius of the earth, if the horizontal parallax of the sun

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,