Propón un ejemplo de cada una de las propiedades de la adición de números reales

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss