The area of trapezoid BCDE is 18, and the angle at C is a right angle. FD = 7, AB = 5, BC = 4, and DC = 6. Find the area of BEF. A. 48 square units
B. 33 square units
c. 24 square units
D. 18 square units
E 15 square units

3. solve by graphing: y = 2x + 6 x + y = -3

Hich equation can pair with x + 2y = 5 to create an inconsistent system? 2x + 4y = 3 5x + 2y = 3 6x + 12y = 30 3x + 4y = 8

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