create a system of 3 equations that represents this system and put the system into matrix form: spring mass system

Which statement best describes how private industry decides where to spend the money on research and development

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Where should a carbon monoxide detector be mounted?