138 Peer Amid
Determine the number of cannon balls (all the same size) that
are stacked in the three-sided pyramid shown below.

What is the surface area of the sphere?

Write the equation of the circle centered at (10,-2) with radius 2.

Asoftball team played ten games, scoring 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 runs. they lost by one run in exactly five games. in each of their other games, they scored twice as many runs as their opponent. how many total runs did their opponents score?