If the probability of an event is 3 7 , what is the probability of the complementary event? a) -4 /7 b) 2/ 7 c) 3/ 7 d) 4/ 7

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

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