Choose the set of equivalent fractions that correctly uses the LCD for these fractions: 2/9 and 5/12​

In pqr the obtuse angle is 105 and the shorter sides measure 4 and 7 units rounded to the nearest tenth what is the area of triangle pqr

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

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