Suppose you go to a concert and purchase three identical t-shirts and a hat that hat cost $21 and you spend $60 an hour how much does each t-shirt cost?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Thirteen bowlers were asked what their score was on their last game. the scores are shown below 190,150,154,194,181,190,170,151,170 ,178,161,180 find the range of the bowlers score a.56 b.44 c.34 d.23