Answer:663
Step-by-step explanation:
The first row is 15,so you have to add three from the first row you and you get 18 and then you keep going and going till you get to the 17th row then you add the numbers together.
Answer:
-3 is the best answer i hope it helps
45
All angles in a triangle add up to 180.
80 + 55 = 135
180 - 135 = 45
H. the increase in the number of slaves in Texas
It is a Quadralateral
