Answer:
Circumference= 
Step-by-step explanation:
Diameter of the circle= 14 feet
Radius of the circle= 14/2= 7 feet
Circumference of the circle= 
As, 
Circumference:

The circumference of the circle with the radius= 7 feet is 
This is my answer. Hope that it will help you.
Answer:
D)
Step-by-step explanation:
49 degrees + 86 degrees = 135 degrees
line QT=180 degrees
135 degrees + 45 degrees = 180 degrees
Answer:
Formula: (x, -y), when reflecting over the x-axis you keep the x-value the same, but change the sign of the y-value. For example: You have the original coordinates (3, 5), and if you reflect it over the x-axis it’ll be (3, -5).