Un automóvil recorrió 480 km a 80 km/h. Si expresamos con x el número de horas que el auto estuvo en movimiento, ¿Cuál es la ecuación que representa el planteamiento? a) 80 + x= 480 b) 80x= 480 c) 480-80=x

Anyone know? will mark brainliest if you're correct!

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?