Answer:
-6z
Step-by-step explanation:
(3z)2=6z
Add the negative
-6z
The first option is correct
Answer:
150
Step-by-step explanation:
Remember you can do anything to an equation or inequality as long as ou do it to both sides
also, when multiplying by a negative number in an inequality, don't forget to flip the sign
5+5(x+4)<20
minus 5 from both sides
5(x+4)<15
divide both sides by 5
x+4<3
minus 4 from both sides
x<-1
