How are radius and diameter related

Identify the type of synthetic material used in each object

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?