The formula for finding the volume of a cone is v = 13πr2h. the volume of a cone is 300 cm3 and the height of the cone is 10 cm. what is the approximate radius of the cone?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

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.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?