different numbers between 1 and 49. The set of six numbers from each lottery ticket are keys in a hash table. After the winning numbers are picked, officials go through this dictionary to find the winning ticket(s). What would be a good hash function so that officials can easily find the winning ticket(s)?

Use 1, 2, 3,4,5,6,7,8 to form 6-digit numbers. The two even digits cannot be next to each other. How many numbers can be formed in this way?

If an Iphone password can have 4 or 6 digit passwords how many combination can there be if there has to be at least one 5

List the integer of the elements of B = {7, v7, -20, 0, –, , 1.5, /16 8

A bicycle wheel rotates 400 times per minute. If the rider removes his feet from the pedals, the wheel will start to slow down. Each minute, it will rotate only as many times as in the preceding minute. How many 4 times will the wheel rotate in the eighth minute after the rider's feet are removed from the pedals? The wheel will rotate about times in the eighth minute. (Round to the nearest integer as needed.)