Answer:
x=12
Step-by-step explanation:
move the 3 to the other side to get x by itself.
check: 12 + 3 = 15
The surface area of a sphere is

where r is the radius;
The circumference is

so that

using this value we can evaluate the surface area of 1 ball as:

For 100 ball you get:
The answer is probably -2
Answer:

Step-by-step explanation:

Sorry it took so long
Hope this helps
Answer :
Percentage increase = (279 - 180)/180 x 100% = 55%