Answer:

Step-by-step explanation:
in the equation given these are the values:
a=1 b= -5 c= -7
if we plug this in the quadratic formula 
this is simplified to 
hope this helped
Answer:
5
Step-by-step explanation: i created the list of numbers.
15: 1,3,<u>5</u>,15
20: 1,2,4,<u>5</u>,10,20
can i get branliest
Answer:
Step-by-step explanation:
80, 82, 88, 90, 100
Now cross out the numbers starting with 80 and 100 and keep going till you get the middle number which would be 88
That answer will be 30 songs.
In order to get that answer you must multiply 40 by 18 which is 720 and divide it by 24 . Finally you get the answer 30 songs.
Hope it helps :]
-2, 3 is the correct answer