Can someone please help me with this

To protect all four receptacles on a branch circuit that surrounds a swimming pool, you would install which of the following configurations? a. gfci feed-through receptacle at the end of the load's circuit b. gfci-terminated receptacle at the beginning of the load's circuit c. gfci feed-through receptacle at the beginning of the load's circuit and the other receptacles connected to the load side of that receptacle d. gfci-terminated receptacle at each end of the load's circuit

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

In positive numbers less than 1, the zeros between the decimal point and non zero are significant