How to solve this system of equal: x+y+z=1; x^2+y^2+z^2=1

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?

X-10/4 when x = –18 a 7 b –2 c –7 d 2