Answer:
x=27
Step-by-step explanation:
(2x-18)+(4x)=180 bc its a straight line
simplify
6x-18=180
-18 -18
6x=162
divide
x=27
Step-by-step explanation:
the correct answer is c
k = 12
cancel out the r on both sides
then divide -144 by -12.
you get 12.
Answer:
number 4. 13
because first you do the exponents giving you 8 and then divide which is 2 then you subtract which is 13
Answer:
Volume of sphere is 
Step-by-step explanation:
It is given that Hal says that volume of sphere is 
Volume of sphere is given by 




Now using 3.14 in place of 
Now volume of sphere is


Therefore volume of sphere when we use 3.14 in place of
is 
And the Hal likely error is he uses
directly for calculation of volume.