Hey someone sent me Nitro type gold. My username is Foxymadn117_YT. Who did it?

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Which equation represents the partial sum of the geometric series?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?