Answer:
Audience knowledge level
Explanation:
The Key issue that Mario failed to consider when preparing for her presentation is known as Audience knowledge level.
Because Audience knowledge level comprises educating your audience with extensive information about the topic been presented. she actually tried in doing this but she was educating/presenting to the wrong audience ( People who are more knowledgeable than her on the topic ). she should have considered presenting a topic slightly different in order to motivate the audience.
I believe the correct answer is the first option. The primary difference between 3g and 4g cellular systems would be that 4g systems have faster transmission as compared to 3g. The G would mean generation. The very difference of both is their speeds.
(9m - 6)7
(9m × 7) - (6 × 7)
63m - 42
The answer is DS-30A. The Roland DS30A is a 24-bit Digital Reference Monitor which can add pristine 24-bit/96kHz. They are small speakers.
