1) Which of the following numbers is a pure imaginary number? A: -32
B: 45
C: 2+8i
D: -5i

1B) which of the following numbers is NOT an imaginary number?
A: 24+7i
B: 45i
C: 62
D: -4+5i

Ineed to know the answer right now! !

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take