The circular picture of 8 inches in diameter what is the area of the picture in square inches

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me