The angle of the roof on kaya’s dollhouse is 56 degrees. she built a scale model of the dollhouse with a scale ratio of 1: 4. what is the measure of the angle of the roof of the model?
a) 14 degrees
b) 34 degrees
c) 56 degrees
d) 224 degrees

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

: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?

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?