Answer:
x + 4
Step-by-step explanation:
(x - 9)(x + 4)
FOIL
x^2 + 4x - 9x - 36 = x^2 - 5x - 36
Answer:


Step-by-step explanation:
Hope this helps!
4 designs
Short/Long sleeves = 2 types of sleeves
7 different patterns
4 x 2 = 8
8 x 7 = 56
Answer:
The company sells 56 different types of shirts.
EDITED
Hope my answer helps :)