Answer:
m<BCD is equivalent to 148*
Step-by-step explanation:
We know this due to the inscribed angle always being congruent to the angle that it inscribes. Hope this helps
The path of the ball is an illustration of absolute equation.
The equation of the path is: 
The given parameters are:
--- the vertex (i.e. the point where the ball hits the wall)


An absolute function is represented as:

Substitute 

Substitute
for x and y


Remove absolute bracket

Collect like terms


Solve for a

Simplify

Substitute
in 

Hence, the equation of the path is: 
See attachment for graph that models the path
Read more about absolute equations at:
brainly.com/question/2166748
Answer: C . 147π / 4 mi²
Concept:
The sector is the part of a circle is enclosed by two radii of a circle and their intercepted arc.
A = (θ / 360) πr²
θ = angle of the sector
π = constant
r = radius
Solve:
<u>Given variable</u>
θ = 270°
r = 7 mi
<u>Given formula</u>
A = (θ / 360) πr²
<u>Substitute values into the formula</u>
A = (270 / 360) π (7)²
<u>Simplify exponents</u>
A = (270 / 360) π 49
<u>Simplify by multiplication</u>
A = (147 / 4) π
A = 147π / 4
Hope this helps!! :)
Please let me know if you have any questions
Answer:
The answers and steps are in the picture