Answer:
D
Step-by-step explanation:
its d since the sides of a rectangle have to be parralell with eachother
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:
X is 4
Step-by-step explanation:
You would distribute 9 to X and -1 to get 9x-9=-45 then you would add 9 to -45 and get 9x=36 then after dividing 9 the answer is 4
The area of the irregular polygon is 26 square units.
Advanced science students are not representative of all of the students in the school