In triangle ABC, BAC =50 degrees and BCA= 26 degrees 1) find ABC
2) if AB is produced to D, find CBD

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Is the power produced directly proportional to the wind speed, give reasons for your answer?