Guess my age and I will do anything you say

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

Proving the parallelogram diagonal theoremgiven abcd is a parralelogam, diagnals ac and bd intersect at eprove ae is conruent to ce and be is congruent to de

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.