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justifica. Francicis de aplicaça? 1. Identifica as propriedades da adica3 em z que cada uma das seguintes igual dade : aj (+8)+(-5)]+(+2) => d) (-10)+(+3)= (+3)+(-10)=2 C) (-17)40 = 0+(-77) => proprieda de de elemento mentira da adicou d) (-18)+(+18) =(+78)+(-18) =)
Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?
Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.