a. 3 1. What is the cardinality of the set of odd integers less than 10? b.4 c. 5 d. 20 2. How many subsets does a set A = {m,a,t,h} have? a. 8 b. 16 c. 32 d. 64 3. The set that contains the first five (5) whole numbers. a. {1,2,3,4,5) b. {0,1,2,3,4} c. {2,3,4,5,6} d. {0,1,2,3,4,5) 4. If set A = { 5,7,9} and set B = {7,9}, what is A-B? a. 5 b.7 c.8 d. 9 5. If G = {t,h,e,y,s,a,i,d} and F= {d,a,i,s,y}, which of the following is F-G? a. {} b.{t,h,e} c. { d,a,i,s,y} d.{t,h,e,y,s,a,i,d}​