Simply collect all the like terms together
So..3+5+14 is 22x
We know area of triangle = 
In triangle ABC , AB is the base and BC is the height
Now we find the distance between A and B
Distance formula is 
A(0,3), B(7,3)
Distance AB = 
=
= 7
B(7,3), C(7,7)
Distance BC = 
=
= 4
area of triangle = 
area of triangle = 
=
= 14 
1. 11.32
2. 69.12
Hope it helps
The credit card is instant. She’d have to ship the money order and the check to the supplier.