How many triangles can be constructed with angles measuring 50º, 90º, and 40º?

none

more than one

one

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28