Answer:
this is just for part A sorry i dont get part B
oof bad drawing of a trapezoid
ANSWER
Vertex form:

Vertex
V(-4,-11)
EXPLANATION
The given expression is

We complete the square to get the vertex form.
Add and subtract half the square of the coefficient of x.


The vertex is
V(-4,-11)
Step-by-step explanation:
Hello there!
Just double the given sides!
(18*2)+(12*2)=60 cm.
There you are!
:)
3, 6, 9, 12,15, 18, 21, 24
8, 16, 24
Marco will fill up his car with gas and wash it on the 24th day.