haircut josiah went to the local barber to get his hair cut. it cost $18 foto the haircut josiah tipped the barber 15%

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?

When you find the area of a triangle do you use in. or in2

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.)