Grace wants to participate in a dance recital. She cannot miss more than 15% of the 40 classes before the recital. What is the minimum numbers of classes

Grace must attend in order to be in the recital?

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

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

State one method by which you can recognize a perfect square trinomial.