It is true because every term is the previous term multiplied by -2. So, -40 x -2 = 80, 80 x -2 = -160
Answer:
x=22.5
Step-by-step explanation:
BM||DT
Using Intercept theorem/Intercept theorem

6(9+x)=9*21
54+6x=189
6x=135
x=22.5
At least I think so
Answer:
C
Step-by-step explanation:
Answer:
The Quadratic Formula is derived from the process of completing the square
Step-by-step explanation: