Use a matrix equation to solve the system of linear equations. left brace start 2 by 1 matrix 1st row 1st column 2nd row 1st column endmatrix x plus 2 y equals 8 nbsp 2 x plus 6 y equals 9 what is the inverse matrix?

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

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