Answer:
Q is P reflected across the y-axis; only the signs of the y-coordinates of P and Q are different.
Step-by-step explanation:
1)
Solving from system of equations:
x- amount of 1 cent stamps
y- amount of 33 cent stamps

2)
x- amount of 20 cent stamops
y-amount of 34 cent stamps
From system of equations:
Answer:
y=71
x=109
Step-by-step explanation: