Let p: a shape is a triangle. let q: a shape has four sides. which is true if the shape is a rectangle? p ∨ q p ∧ q p → q q → p

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