Answer:
537
Step-by-step explanation:
There are
ways of building a subset of
elements from
, so the total number of subsets you can build is

Recalling the binomial theorem, the above sum is equal to

as required.
Answer:
She will owe $180 of interest after one year.
She will owe $720 of interest after four years.
She will need to pay the bank $3,720 to completely pay off the loan.
Step-by-step explanation:
9514 1404 393
Answer:
a = 7
Step-by-step explanation:
The Pythagorean theorem tells you the value of 'a' is ...
a^2 = b^2 - c^2
a^2 = 25^2 -24^2 = 625 -576 = 49
a = √49 = 7
The length of side 'a' is 7 units.