State whether -4^{2} and (-4)^{-2} represent the same quantity. Explain.

The triangles are similar. what is the value of x? x=

Two lines parallel to the same plane are parallel to eachother

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