Given that cosine theta = -1/2, and theta is obtuse, find:

a) sine theta

b) sine 2(theta)

c) tangent theta

d) sine 4(theta)

Which of the following is correct interpretation of the expression -4+13

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.