Answer:
10+5=15 sow longer trail is 15
3.
30 divided by 10 equals 3
Hello!
To find the surface area of a sphere you use the equation

A is surface area
r is radius which is half the diameter
Put in the values you know

Square the number

Multiply the 4 and the 39.0625

The answer is

Hope this helps!
Answer:
27.5 is your mean.
Step-by-step explanation:
To get this, add the figures together and divide by the number of terms.
31.68 is 45% of 70.4
n * 0.45 = 31.68
divide both sides bu 0.45
n=70.4