2. La forma correcta de representar la suma de -6 con-12 es: a)-12 +-6= - 6 b) +-12 +-6 = c)-6 (+) 12 =
3. El resultado de aplicar la jerarquía de operación es a la cadena
70.5 x 18 + 120 = 4 es:
a) 10
b) 35
c) 50
4. Un corredor de maratón lleva de la carrera. La distancia a cubrir e
esta competencia es de 42 km, ¡qué distancia lo hace falt

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

What numbers are included in the set of integers? what numbers are not included?