Find a intersection b.
a: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
b: {-2, -1, 1, 4, 7, 11}
multiply choice:
a. {-2,-1,1,2,3,4,5,67,8,9,10,11}
b. {1,4,7,11}
c. {-2,-1,1,2,3,4,5,6}
d. {}

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

What situation is an example of an observational study