un corazon sano pulsa de 70 a 90 veces por minuto. Estime el numero de pulsaciones en toda la vida de una persona que llega a los 80 años

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions