Answer:
B
Step-by-step explanation:
First find the circumference of the circle with radius of 9 inches:

The full angle has 360°, so, to find the length of the arc DE, you can write:

which yields a proportion:

Step-by-step explanation:
d=
d= 
d=
d= 
Answer:
y=-7
Step-by-step explanation:
y-y1=m(x-x1)
y-(-7)=0(x-5)
y+7=0
y=0-7=-7
Answer:
Written out the equation would look like f(x) = 55(1.06)^x
The graph would look something like the attached picture. (It intercepts with the y-axis at 55).