Answer:
a = 
Step-by-step explanation:
Given
ai + bj and 5i - 2j are perpendicular and b = 3, that is
ai + 3j and 5i - 2j are perpendicular, then
The scalar product = 0 , that is
5a - 6 = 0 ( add 6 to both sides )
5a = 6 ( divide both sides by 5 )
a = 
Answer:
-1
Step-by-step explanation:
The rise over run is -2 over -2.
-2/-2=-1
Answer:

Step-by-step explanation:
11 ÷ 5 = 2 R 1 → 
Hope this helps! :)
-7x^2 - 6x^2 + 3x + 5x - 5 + 2
-13x^2 + 8x - 3