What is the most efficient first step to isolate the variable term on one side of this equation? -9x = -4x + 5
Subtract 5 from both sides.
Add 5 to both sides.
Subtract 9x from both sides.
Add 4x to both sides.

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

How many lines can be drawn through points j and k? 0 1 2 3

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10