1- write the system of equations to represent the story (ei. Write the equation for each company to represent their total sales, y, for x, numbers of pounds) 2- solve the system of equations and tell what the solution means
two online spice retailers sell paprika by the pound using the following
pricing chart
paprika (Ib) iSpice Spice Magic
1 $15.75 $26.25
2 $27.50 $36.50
3 $39.25 $46.75
4 $51 $57

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

What are the solutions of the following system? y=-2x^2 y=x-2

Ofin . (2,4) (2,1) a. y= 2 b. x= 2 c. x= -2 d. y= 2x