5) -14 + 6b + 7 - 2b = 1 + 5b
7 n-3n = 14 – 40
9) 5 + 2x = 2x + 6
11) -8n + 4(1 + 5n) = -6n - 14

When only separate discreet points are graphed it is called?

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.