A : b = 2 : 3 b : c = 5 : 6 Show that a : c = 5 : 9

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Which expression is equivalent to sq-80

The tile along the edge of a triangular community pool needs to be replaced? ?