There are 4 seventh grade teachers at central middle school. mr. abbott teachs 120 students in 6 classes, mrs. garcia teaches 48 students in 3 classes. ms. ngyen's 5 classes total 109 students, and ms. turner has a total of 121 students in 6 classes. what is the average number of students in each seventh-grade math class?

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?