Can anyone help this is for a grade?

Solve the following system of equations express your answer as an ordered pair in the format (a,b) with no spaces between the numbers of symbols 5x+2y=22

Lines de and ab intersect at point c what is the value x? a.12b.25c.38d.52

Determine whether the described scatter plot is possible. sketch a graph of the scatter plot if you believe it is possible. give an explanation if it is not possible (a) can a scatter plot show a nonlinear and a positive association? (b) can a scatter plot show a nonlinear and a negative association? (c) can a scatter plot show a linear association but neither a positive nor a negative association!