Will give brainliest​

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

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Solve 13 + w/7= -18 (w/7 is a fraction)