How many solutions does the following equation have?
9z-6+7z=16z-6

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83