What is -2m+4n to the second power for m=-6 and n=-5

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.