For her phone service, kala pays a monthly fee of $13 , and she pays an additional $0.05 per minute of use. the least she has been charged in a month is $63.15 . what are the possible numbers of minutes she has used her phone in a month? use m for the number of minutes, and solve your inequality for m .

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

Find the commission on a $590.00 sale if the commission is 15%.

Can someone tell me if this is perpendicular? !