Dylan can run a mile in 9.5 minutes. Over the next 6 months , he wants to reduce his time so he can run a mile in 8 minutes or less. Which inequality can Dylan use to find t, the amount of time he must cut each month to reach his goal?

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

Azul has 4 green picks and no orange picks. you add orange picks so that there are 2 orange picks for every 1 green pick. how many picks are there now.

9is the geometric mean between x and 12