The area of a rectangle is x2 - 2x - 15 and the length of the rectangle is x + 3. find the width of the rectangle.

a.
(x-2)(x+3)

b.
x - 5

c.
x + 5

d.
x2 + 15

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

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

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?