Z=-3 is the correct answer. Use math papa if you need help with the steps on how we got z=-3
SA=201.7cm^2
I used the equation
SA=pi^1/3(6*V)^2/3 in case you have any more questions like this
X=-4-y there you go enjoy
Let's make "x" the variable for Maria's age.
And since Maria's father is 20 years older than Maria:
Age of Maria's Father = x + 20.
