Which of the following is a disadvantage of using online, mobile, and social media for advertising?
A) The costs are high.
B) Audience selectivity is low.
C) The audience controls ad exposure.
D) The interactive capabilities are low.
E) There is little scope for personalization.

8y=-6x+24 whats the slope and y-intercept

Ineed ideas for how to have fun with my friends i feel like they dont like me

According to ohrp, a problem is an “unanticipated problem” when it meets which of the following criteria: unexpected, related or possibly related to the research, suggests that the research does not put the subjects or others at greater riskunexpected, related or possible related to the research, suggests the research puts subjects or others at greater riskunexpected, unrelated to the research but still occurring with a subject, suggests the research puts others at greater riskexpected, related or possible related to the research, suggests the research puts others at greater risk