Mary works from 5: 00 pm to 8: 30 pm on wednesday and thursday and from 9: 00 am to 3: 30 pm on saturday and sundays . how many hours does mary work per week

The highest common factor of 132 and 220

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

Issof claims that the scale factor is 1/2. which statement about his claim is correct