If you can buy 4⁄5 of a pound of ham for 3 dollars, how much can you purchase for 10 dollars? write your answer as a fraction of a pound.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

The scatterplot represents the total fee for hours renting a bike. the line of best fit for the data is y = 6.855x + 10.215. which table shows the correct residual values for the data set?

The length of time it takes to find a parking space at 9 a.m. follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. find the probability that it takes at least 8 minutes to find a parking space. (round your answer to four decimal places.)