Respuesta :

IshNoodlez

Answer:

320

Step-by-step explanation:

r = 4, so 2 x 4 = 8.

s = 6 and t = 3, so 6 x 3 = 18. 18 squared is 324.

u = 12, so 8 + 324 - 12, which equals 320.

doomdabomb
Answer:

50

Step-by-step explanation:

2r + st^2 - u
2(4) + (6)(3)^2 - (12)
(8) + (6)(9) - (12)
(8) + (54) - (12)
62 - 12
50

Final answer: 50