In a right triangle, cos a =0.352 and sin a = 0.936 what is the approximate value of tan a?

Find the sum of the following series. round to the nearest hundredth if necessary.

Really need on these. i have no idea what to do

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true