Line segment TS is tangent to circle O at point N.

If the measure of is 74°, what is the measure of ?
37°
74°
148°
212°

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Can someone check my answer? you : )

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)