Convert mixed number to improper fraction:

You're given two angles and the side not between them are congruent, so the AAS theorem applies. (2nd selection)
Answer:
HI
Step-by-step explanation:
Answer:
43.5=67.5
Step-by-step explanation:
19.5+24=43.5
43.5+7.5=51
=
19.5+24= 43.5
43.5+24=67.5
Answer:
Yes. It is a vector space over the field of rational numbers 
Step-by-step explanation:
An element
of the set
has the form

where
are rational coefficients.
The operations of addition and scalar multiplication are defined as follows:


The properties that
, together the operations of vector addition and scalar multiplication, must satisfy are:
- Conmutativity
- Associativity of addition and scalar multiplication
- Additive Identity
- Additive inverse
- Multiplicative Identity
- Distributive properties.
This is not difficult with the definitions given. The most important part is to show that
has a additive identity, which is the zero polynomial, that is closed under vector addition and scalar multiplication. This last properties comes from the fact that
is a field, then it is closed under sum and multiplication.