Answer:
x + 9 - (-30)
Step-by-step explanation:
150
explain:
100/28*42=x which turns into x=150
Answer:
B
Step-by-step explanation:
521,370 would round to 521,400
26,839 would round to 27,800
and adding them would be
548,200
Answer:
1280
Step-by-step explanation:
I think it is 1280 because 20*16*8/2=1280. I am not 100% sure.