Which equations are equivalent to the given equation?
49= -7k
a) 49/(-7)=(-7)/(-7)
b) 49*(-7)=-7k/(-7)
c) 49*(-1/7) (=-7k*(-7)
d) 49* (-1/7) = -7k*(-1/7) c& d the 1/7 are fractions

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?