If C= πd, which of the following equations describes as the ratio of the circumference of a circle to its diameter?

For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Find the area of the regular hexagon if a side is 20 cm.