1. Simplify the expression: 2(5a−4a)+6a =

2. −2(x−9)=44

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?

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year