Explain what the algebraic solution of a system of two linear equations is and what that means in terms of the graphs of the equations of the system. USE AT LEASE 2 COMPLETE SENTENCES Please help I’m mark brainliest

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer