39 degrees. All angles must add up to 180 and the two acute angles equal each other because of the type of triangle it is!
12 - 3b < 9
12 (-12) - 3b < 9 (-12)
-3b < -3
-3b/-3 < -3/-3
(note when dividing a negative number, flip the inequality sign)
b > 1 is your answer
hope this helps
No one knows exactly how many deaths there are per minute
The first one is 10k²-7k-6
The second answer is 8k²-26k+18
