Give two examples of ways to conserve energy at home.

Turn of the lights when your not home, if it is yellow let it mellow, If your no longer in a specific room in your house you can turn the lights of in that room.  Only use A/c during the day.

have a great day because if you dont you and i will be sad

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer