Solve this equation: –9h – 6 + 12h + 40 = 22.

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.