A. Find the common difference of the arithmetic sequence.
22, 19.5, 17, 14.5. ...

If 20% of a number is 35, what is 50% of that number?

What is the circumference of the pie

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8