Un comerciante compra 75 cartones y en cada cartón 75 llaveros. ¿Cuántos llaveros hay en total y cuánto debe pagar si cada llavero cuesta 75 centavos?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

How many grams the dog will eat in 3 days?

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.