To start the school year, a teacher spends $54.35 in school supplies for her classroom. during the course of the year, she will restock her supplies and will spend $22 each time she restocks the supplies. the expression below describes this situation. 22x + 54.35 in this expression, what is the constant and what does it describe? a. 22x, which describes the total amount she spends each time she goes to the store b. x, which describes the number of times she restocks her supplies c. 54.35, which describes the amount she originally spends on supplies d. 22, which describes the amount she spends restocking her supplies