Answer:
408 cm
Step-by-step explanation:
Primes are
2,3,5,7,11,13...
ok, so it must be multiplule of 2,7 and 11
2*7*11=154
answer is 154
Answer: 57
Step-by-step explanation:
53+71+89+10+62=285
285/5=57
I'm not familiar with the notation but I'll guess this refers to the equation:

is -30 degrees


Choice b
Answer: 512
Step-by-step explanation: 8 x 8 x 8 = 512 (8x8=64, 64x8=512)
Hope this helps!
Mark Brainliest if you want!