Answer:
b = 5
Step-by-step explanation:
All quadratic equations are formed in the format of 
+ bx + c = 0
Using this formula, we can re-arrange the equation to fit the given format.
- 2 = -5x
+ 5x - 2 = 0
5 is plugged in for "b" in this equation, therefore b = 5.
I hope this helps you
2x-5=19
2x=24
x=12
These ad agencies must focus on their target audience, which are the students. Hence, they should gather data on the pool that will surely comprise of students. For agency B, social media posting is not a good source pool. It's true that students are very participative and opinionated in social media. However, they can't be sure that these are students. Some parents are in social media, as well. Some are working individuals, and some are out of school youth. Unlike agency A, agency B has to sort out profiles first and identify which ones are students. Hence, agency A will produce a fair sample of the student population because it is unarguably true that everyone in the school enrollment data are students.
The answer is B.
Answer:
43.35
Step-by-step explanation:
