Find a unit vector in the direction of V = <-8,15>

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?