1. Debbie saws a plank of wood into five equal pieces. What percentage is each piece?
PLEASE SOMEONE HELP ME I HAVE JUST ONE MORE QUESTION LIKE THIS

In djkl, side jk measures 10.6 inches, side kl measures 7 inches, and side jl measures 5 inches. based on the information that is provided, which could be a correct set of angle measures for these sides? angle j = 23.2°, angle k = 33.5°, angle l = 23.2° angle j = 23.2°, angle k = 33.5°, angle l = 123.2° angle j = 123.2°, angle k = 23.2°, angle l = 33.5° angle j = 33.5°, angle k = 23.2°, angle l = 123.2°

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

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?