Please help this is my last question!! i will give brainliest! links = report

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

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2

Simplify 1 divided by 2/3 x (-3) divided by 1/6 x (-10)