Solve the system {4x − 10y = 4 −6x + 15y = −6 a. x=2, y=5 b. (2, 2x-2/5) c. x=3, y=2 d. all real solutions e. x=1, y=2

Both of the equations have common factors that can be factored out simplifying them.

4x − 10y = 4 > divide both sides by 2

−6x + 15y = −6 > divide both sides by -3

After taking out the common factors, the equations become:

2x - 5y = 2

2x - 5y = 2

They are both the same equation, so the solution is all real solutions of the equation.

d. all real solutions

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

the data of the detroit pistons in numerical order from least to greatest is 0.30, 0.37, 0.55, 0.62, 0.69, 0.72, 0.73, 0.75, 0.77, 0.78, 0.80, 0.81, 0.81, 0.83, 0.84, 0.89

the data of the miami heat in numerical order from least to greatest is 0.50, 0.50, 0.56, 0.57, 0.67, 0.72, 0.72, 0.72, 0.75, 0.75, 0.76, 0.81, 0.82, 0.90, 1.00, 1.00

the detroit pistons median : 1.52

the miami heat median: 1.47

the iqr of this data is 0.05