2. A history class is made up of 12 tenth graders and 9
eleventh graders. The tenth graders averaged 77 on the
midterm exam, and the eleventh graders averaged 91
on the midterm exam. What was the average grade on
the midterm exam for the entire class? [basic]

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

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?

Question 27 of 28 1 point what is the slope of the line shown below? (3,-2) (2,-4)