Answer:
8x²+6x+12xy+9y
Step-by-step explanation:
⇒(-2x - 3y)(-4x - 3)
⇒(-2x × -4x)+(-2x × -3)+(-3y × -4x)+(-3y × -3)
⇒8x²+6x+12xy+9y
We're given two sides and the included angle and asked to find the third side. That's the Law of Cosines.


Answer:
X = -5/2
Step-by-step explanation:
Answer:
$50.4
Step-by-step explanation:
The Commission is $50.4 of the sale.
7% of 720 = 50.4