Which ordered pair is a solution of the equation? 3x-y=13
A. Only (6,5)

B. Only (3,-4)

C. Both (6,5) and (3,-4)

D. Neither

Solve for x, y, and z. show all steps.

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

Average acceleration: i have no idea how to do this.