8z − 4 = 7z
move 8z to the other side
sign changes from +8z to -8z
8z-8z-4=7z-8z
-4= 7z-8z
-4= -z
mutiply both sides by -1 to get +z
(-4)(-1)= (-z)(-1)
Answer:
z= 4
Answer:
37.68
Step-by-step explanation:
12 times 3.14 = 37.68
4 units, because a translation is a rigid motion, meaning it preserves segment length.
Answer:
Yes
Step-by-step explanation:
Because its the square root of 12