Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:

use cross- multiplication
8a = 72
a = 9
Answer:
0.3333
Step-by-step explanation
it might be the answer. hope it helped :)
It’s C’ D’ hope this helps
Answer:

Step-by-step explanation:
Given a Parabola that intersects the x-axis at x=3 and x=9.
I presume you want to determine the equation of the parabola.
You can use this form:
Given roots of a parabola, the equation of the parabola is derived using the formula:

The equation of the parabola is:

Answer:
plates shifting continental drift