It was $930.
To over check, multiply it by 20% , you will get $186.
Hope this helps !
Answer:

Step-by-step explanation:

Remember that
.

When you multiply powers with the same base, add the exponents. Do this in the denominator.


When you divide powers with the same base, subtract the exponents.


The formula is
2lw+2wh+2hl
2(10*2+2*7.5+7.5*10)
220inch³
Answer:
The number of ways he can elect the president,the vice President and the secretary is 1320 ways
Step-by-step explanation:
This is a permutation question.
Any of the 12 members can be the President , when this is done, any of the remaining 11 can be the vice president ,when this is done, any of the remaining 10 can be the secretary.
The required number of ways is;
12*11*10= 1320ways