A set of elementary school student heights are normally distributed with a mean of 105 centimeters and a standard deviation of 5 centimeters. What proportion of student heights are between 114 centimeters and 118 centimeters? You may round your answer to four decimal places.

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

If sin(x) = 0 and cos(x) = 1, what is tan(x)?