Last year Miss Mac taught MCR3U and HSB4M. There were 26 students in MCR3U, 22 in HSB4M, and 6 took both. How many different students did she teach?

a. 28

b. 48

c. 42

d. 32

Suppose you simultaneously roll a standard die and spin a spinner that is divided into 10 equal sectors, numbered 1 to 10. What is the probability of getting a 4 on both the die and the spinner?

a. 1/4

b. 1/16

c. 1/15

d. 1/60