180 miles per hour. 45*4 to get the answer.<span />
Answer:
I need more information to calculate it for you
Using the quadratic equation we get:

Factoring out 2 we get

Factoring out the imaginary number:

So b.
Region B
The solution of two intersecting lines is the point that both share in common. From a point of view, it is the point where the two lines meet. In this case, the point is in quadrant 1, or Region B.
Answer:
72
Step-by-step explanation:
Multiply 72 by .75 and you get 54