Omar's gas tank is 1/10 full. after he buys 6 gallons of gas, it is 2/5 full. how many gallons can omar's tank hold?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%