Máximo común divisor (mcd) y mínimo común múltiplo (mcm) hallar (mcd): a)72 y 86 b)135 y 90 c)54 y 144 responder las tres

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

How many $20 bills do you need to have to make $280

Which of the following three dimensional figures has a circle as it’s base