If a car travels 30 miles in 5 hours, how many miles per hour is the car traveling? ((Please help I need this question in no less than 20 minutes!!!))

Un jugador de beisbol batea un foul recto en el aire.la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?