Can someone please help me? and add me on sc at christyyb tchh (add the i where the space is it)

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

Write a similarity statement for the similar triangles. afgh ~ a

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.