Solve the linear system. Explain your answer
x -2y = 7
-x + 2y = 7

Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

One integer is 5 more than another. their product is 104. find the integers