Answer:
A
Step-by-step explanation:
sorry im late
Answer:
9
Step-by-step explanation:
To solve this just take b (in this case 6x) divide it by 2 and then square it
which means that c=9
this will factor to (x+3)²
Answer:
4 to 7 *maybe
Step-by-step explanation:
Answer:
Step-by-step explanation:
u = 45
v = 30
Angle between them, θ = 5π / 6 = 150°
(a) The formula for the dot product is given by



(b) 



Let the angle between them is θ
The formula in terms of the dot product is given by





θ = 75°
(c) 



