Answer:
314 m²
Step-by-step explanation:
the surface area of a sphere (As) is
As = 4×pi×r²
our radius r (half of the diameter) here is 5m.
As = 4×3.14×5² = 4×3.14×25 = 100×3.14 = 314 m²
Considering the perimeter (P)

where b is the base and h is the height, then

Being the area (A)
The given expression is

We just have to divide by 2

<h2>Hence, the solution is all real numbers less than 10.</h2>
K=8k+28
subtract 8k from both side
-7k = 28
divide both side by -7
k= -4
try this for answer (11×3.5)-9=x