I need help with his problem! Sry I know I'm having a big brain moment

(A circle is centered on point B. Points A, C, and D lie on its circumference.)
If ∠ADC measures 61∘ what does ∠ADC measure?

The photo is left below! Its inscribed angles. if anyone can give me any tips on this it will be very appreciated!

Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Ineed with this problem 21 show steps