Pre calculus

Answer. (Score for Question 3:_ of 3 points) 3. Using PI , determine whether the cost of ingredients for the pies Patricia baked is more or less than half the cost of ingredients for all pies baked by the three bakers. Answer: (Score for Question 4: _ of 7 points) 4. Using matrix multiplication, create the matrix PS that represents the income of each baker from each of the 2 stores at which Perfect Pies are sold. Answer. (Score for Question 5: _of 1 point) 5. Using PS , which baker yielded the greatest income? What is this income? Answer. (Score for Question 6: _ of 1 point) 6. Using PS , what income did Polly realize from Sugary Sarah's