1. Let point P be (-1,3) and Q be (3,7). Find the following.
2. Let and . Find the following graphically and symbolically.
3. Let and . Find the following.
The angle between and rounded to the nearest tenth of a degree.
4. Graph the parametric equations and for . Write these paramentric equations in terms of x and y.
and 
. Find the following graphically and symbolically.
and 
. Find the following.
between 
and 
rounded to the nearest tenth of a degree.
and 
for 
. Write these paramentric equations in terms of x and y.