An artist with a palette of 10 colors designs a flag with 3 different vertical stripes. Find the number of possible flags she can create

Each packet of washing powder carries a token and four tokens canbe exchanged for a free packet. How many free packets will Ireceive if I buy 64 packets?

Please do not give solution in image formate thanku  Two students at a local high school conducted surveys . Jillian got a list of all classes at the high school , and randomly selected 5 classes of students to complete her survey Travis set up a booth in the hallway outside the main office of the school and asked people to complete his survey as they were walking by . Both Jillian and Travis were able to get 60 participants to complete their surveys . Jillian collected a sample , while Travis collected a sample . Cluster Volunteer Response Cluster Convenience Systematic Volunteer Response Stratified Convenience

As part of the final project in her graphics design course,Serena used calligraphy to illustrate the page numbers fora book she wrote about a designer she was assigned toresearch. She wrote a total of 657 digits for the pagenumbers in this book. How many pages did she number?