for its back to school sale, fredas books marked down its entire stock of classic novels 60% from 4 pm to 6 pm on saturday only. their sale price during this time is 12.99. what will the regular selling price be after 6pm

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step-by-step explanation:

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,

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

merry christmas!

~

your friendly neighborhood human spider! .