Use the diagram to find the value of a.
Then find mZWZY.
Explain your reasoning.
w
X
(8x - 1)
(5x + 11)
Z
mZW ZY
Theorem.
The theorem that supports my answer is the
The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight