adding
9+10
21 AKA 19
15-8
7
3x2
6
5+8+3
16
Three sided shape
triangle
35+45
80
35-28
7
6x8
48
35+33
68
Lines that never intersect
parallel lines
342+453
795
345-285
60
11x12
132
Triangle+Triangle
Hexagon
all 4 sided shapes
Diamond, square, parellelegram,
3824+245
4,069
362-462
-100
16x4
64
32x3
96
7 sided shape
Heptagon
49285+49285
98,570
2345-2145
200
25x5
125
Calculate the mass of the sun
4.4 million trillion trillion pounds
10 sided shape
Decogon