Answer:
Yes
Step-by-step explanation:
If you multiple 1/3 by 3/3 you would get 3/18
Answer:
no
Step-by-step explanation:
1.8×100 would be 180 because you're moving the decimal place two to the right.
Answer:
Option B is correct
the degree of rotation is, 
Step-by-step explanation:
A rotation matrix is a matrix that is used to perform a rotation in Euclidean space.
To find the degree of rotation using a standard rotation matrix i.e,

Given the matrix: 
Now, equate the given matrix with standard matrix we have;
= 
On comparing we get;
and
As,we know:

we get;

and

we get;

Therefore, the degree of rotation is, 
She uses 4/3 (1 1/3) pint of hair gel in 4 days