Answer:
the answer is 11
Step-by-step explanation:
each time you add 4
Answer:
C
Step-by-step explanation:
this is quite confusing
I think just the "possible" ones, without fully factoring, are based on factors of the last whole number-- +20.
So factors of 20: 1, 2, 4, 5, 10, 20
X2 + 4x - 21
Answer: (x + 7)(x - 3)
11 skirts since you can use 3/4 on each yard of 9. Then you get a remander of 2, 3/4! 9 + 2 is 11.