I don't know if im just putting it in wrong but ive tried numbers 1-20 positive and negative and it keeps telling me its wrong no matter what numbers im putting in please help this is 244 points of my grade

Tom and maria typed in words in the ratio of 1 : 5 in 20 minutes. they typed 864 words altogether. find the number of words that each of them typed

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%

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?