Answer:
Option C
Step-by-step explanation:

Lets convert it into improper fraction.

Lets convert
into a mixed fraction.

Rounding off 7.04 gives 7 and rounding 7 further gives 10.
So , the estimate of the product is 10
Answer:
C. Y=1,200(1-0.035)x
Step-by-step explanation:
Answer:
20
Step-by-step explanation:




Answer:
您能再解釋一下嗎,謝謝
Step-by-step explanation:
Sounds simple to me but may be misleading, I can't see a trick.
I think all you do is multiply each by 30.
So answer is 45ft X 37.5ft
Hope it's correct. I'd appreciate if you could let me know. Thks..