9. Factorize : 11. Factoriz
a) 3x(2x-7)
b) (5x+2)
c) (2x+7)
a) (2x-3)? - (3x+1)
b) (2x+3)2 – (x-3)2,
c) (x+2) - (-2x-1)2 ;
d) (2x+y)? - (2x-y)?
e) 25(a+b)? – 16(a-b)? ;
f) (3x-4)2 – (2x-1);
g) (5m–3n)? – (3m–5n)? ;
h) 1 - 9x² - y2 - 6xy ;
i) 9(3x-4)2 – 36(2x-1).
12. With
a) 2000
b) (7.77
n) (61

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

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Which point has an coordinates of (2,0) ? a