1 foot = 30 cm
21 x 30 = 630 cm ( banner length)
1 meter = 100 cm
630/100 = 6.3 meters long
12,390. when the tank is filled to 28cm it has 49,560 cubic centimeters of water. when its filled to 35cm it has 61,950 cubic cm of water. if you subtract the twp.
61,950-49560=12,390
I believe it is b. it has one real solution <span />
Answer:
'''who else has trouble with math and then gets ridiculed and made fun of by teachers and adults and other, smarter students and then just wants to die?''
YES!
Uhh.... the investment that you're talking in the U.S