3y means *three times y.* So it can be written as 3y or 3•y or written out three times the variable y.
<span>2x2
– 2z4 + y2 – x2 + z4</span>
<span>X2 +
y2 – z2</span>
<span>-42 –
24 + 32</span>
-16 – 16 + 9 =
23
Answer:
36043.305
Step-by-step explanation:
My brain is so tired I can't-
Multiply all the numbers with the information they gave you, then add them all.
I REALLY HOPE THIS HELPED MY BRAIN NEEDS A BREAK
The diameter of the large pizza is 16 inches, so its radius is 8 inches. The diameter of the small pizza is 8 inches, so its radius is 4 inches. Area of large pizza = pi(r2) = pi(82) = 64pi square inches.
