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:
45 degrees Celsius
Step-by-step explanation:
5/9 (113 - 32)
5/9 (81)
45
H+6.9=1.4
H=1.4-6.9 -6.9 FOR BOTH SIDE
H=-5.5
A,C,and D are all correct