Substitute z with 3.
3(4)^3
Cube 4 with 3
3(64)
Multiply 3 and 64
=192
Z-12=6
you take the 12 and add it to both sides making it look like:
z-12+12=6+12
which also looks like
z-0=6+12
z-0 = z
so now you have
z=6+12
6+12 = 18
SO Z=18!!!
your answer is 18
Answer:
option 4
Step-by-step explanation:
Percent change is calculated as
× 100%
change = 15 - 10 = 5 , then
percent change =
× 100% = 5 × 10% = 50%