Avector has an x-component
of -309 m and a y-component
of 187 m.
find the direction of the vector.

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

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?