Answer:
12
Step-by-step explanation:
Put in 3 for x and 3 for y:
3(3 + 3 - 2)
3(4)
12
Multiply everything if not that than add
x³ + y + z³
= 12³ + 8 + 3³
= 1728 + 8 + 27
= 1763
2^2 - 5t + 12 = 0
4 - 5t + 12 = 0
-5t + 16 = 0
-5t = -16
t = 16/5
Answer: 16/5 in fraction form or 3.2 in decimal form
