Answer:
c
Step-by-step explanation:
Answer:
B : -2
Step-by-step explanation:
B. 361/4
you get: x^2-19x+361/4=(x-19/2)^2
10
make a triangle after the first square and a square after the second printed triangle, then a triangle after that and after the last printed square a triangle
11
3, 4, 3, 3, 4
12
repeating
