Answer:
The circumference is:

Step-by-step explanation:
The equation of the circumference of a circle is given by:

Where:
R is the radius of the circle (R=8.4 ft)
Therefore, the circumference will be:



I hope it helps you!
Answer:
x=1
Step-by-step explanation:
This is where the line crosses the x axis.
Should be the first one, as it’s not a parallelogram or a rhombus.
Answer:
c
Step-by-step explanation: