What is the sum of 1370 cm, 1575 mm, and 8.63 m in meters

An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass