What is the result of adding (-2.9a + 6.8) and (4.4a - 7.3)? explain/show work
a. 7.3a + 14.1
b. 2.5a - 1.5
c. 1.5a + 0.5
d. 1.5a - 0.5

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

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?