Bonjour j'ai un exercice à rendre dans 4h et j'y arrive pas . aidez moi s'il vous plait.

le rectangle ci-dessous est partagé en 9 carrés de 3 tailles différentes.

les 5 plus petits carrés bleus ont un côté de 10cm.

quel est le côté du carré blanc?

Ineed if you could explain and give me the answer you! this needs done

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?