(+13) + (-39) ; (-19) +(-36) ; (-2,7) + (+1,7) ; (10,2) + (-10,2) ; (+x) + (-x)

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

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

(x-5)1/2+5=2 what is a possible solution?