Answer:
there is no picher
Step-by-step explanation:



A medical researcher need to select 6 people out of 13 people who have volunteered for the test in
To find, how many ways can 6 people be selected.
=
=


60 items were for sale because you need to add together the amounts that were sold plus what was left over, giving you everything that they had for sale.
Answer:

Step-by-step explanation:
Notice that buy construction of a parallelogram,the angles
and
must equal each other. Then, based on the info given, we can write the following equation:

Then, angle
=
which is also equal to angle B
and since the addition of all internal angles of the parallelogram must equal
, then:

and therefore, since
and
must be equal, then:
