About 5% of the population has a particular genetic mutation. 900 people are randomly selected. find the mean for the number of people with the genetic mutation in such groups of 900.

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?