Answer:
z^3
Step-by-step explanation:
Z cubed is Z X Z X Z = Z^3
Distribute the 3.
3*x + 3*4
3x + 12
Hope this helps :)
Answer:
135 degrees
Step-by-step explanation:
all the angles in a triangle need to add to 180 degrees, so you take
180-(65+70)= 45
Then you just find the supplementary angle
45+x=180
x=135
Answer:
Solving the equation
we get 
Step-by-step explanation:
Noah's step to solve the equation
are:

The next step is to take square root on both sides because: 

Now, we know that: 

So, Solving the equation
we get 