Convert the following measurements round your decimal places. 14,974 pounds to tons

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

If i have one apple and give you the apple, how many apples do i have?

The anwser cause i do not understand just plez