What is the potential energy of a rock with a mass of 55 kg sitting on a cliff that is 27 m high? I

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Asap! will give brainiest when a heat wave strikes a region causing more people to run air-conditioning units, electrical demand increases. what needs to be done to meet this increased demand? raising the control rodslowering the control rodsremoving the control rods

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent