Answer:
24
Step-by-step explanation:
4! = 4*3*2*1 = 24
24 numbers can be formed
There's nothing to multiply. However, you can factor it to get (x + 4)(x - 4).
Answer 17/18 , 19,20
Step-by-step explanation:
Answer:

Step-by-step explanation:
The bill = $190
Less flat fee = 25
Work done = $165
