Answer:
B. 2340
Step-by-step explanation:
Interior angles of a polygon is given by
(n – 2)180 where n is the number of sides
(15-2) *180
13*180
2340
Answer:


Step-by-step explanation:
The given system is:
4x-3y=8
5x-2y=-11
We make x the subject in the top equation to get:

Plug this expression for x in the bottom equation to get

We expand to obtain

Multiply through by 4

Group similar terms



This means


Answer:
6 2/3.. i think
Step-by-step explanation:
hopefully u understand my messy handwriting
Answer:
(3, 13)
Step-by-step explanation:
The curve decreases from x = 3 to x = 13.
Answer: (3, 13)