Answer:
B
Step-by-step explanation:
So 4 triangular faces of the pyramid will have total area
<span>= 4 ×<span>12 </span>× base × height = 4 × <span>12 </span>× 34 × 58f<span>t2 </span>= 3944f<span>t2</span></span>
So <span>3944f<span>t2</span></span> of marble cover the faces of the pyramid.
The distance between Durham to Birmingham is 240 miles
Answer:
center is (1,-4)
radius is 4
Step-by-step explanation:

standard form is
, where center is (h,k) and r is the radius
apply completing the square method to get standard form

take half of the middle term and square it and then add it on both sides


center is (1,-4) and r^2 is 16
radius is 4