(picture) asap need done in less than 15

Which rational number could be graphed between -4 and -5

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

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11