How to write it in quotient + remainder/divisor form

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

The square root of 9x plus 7 plus the square rot of 2x equall to 7

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.