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
No, because it has a measure under 90 degrees
8 - ? = -1. the missing number would be 9.
I hope this helps you
?.12%=72
?.12=72.100
?=6.100
?=600
Answer:
Step-by-step explanation:
76