Euclidean geometry, spherical geometry or neither??? 1- 650, 820, 100°
2-60°, 60°, 60°
3-60°, 60°, 60°
4-45°, 57°, 15°
5-120°, 10°, 70°
6-45°, 45°, 100°

Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?

What is the measure of sty in oo below? 130 310 230 50

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.