If
cos
⁡
θ
=
8
9
cosθ=
9
8

, then what is the positive value of
sin
⁡
1
2
θ
sin
2
1

θ, in simplest radical form with a rational denominator?

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

If you are just building your payment history, how many points from a perfect score will you possibly miss?

How many glue sticks are in a basket containing 96 scissors, if the ratio of glue sticks to scissors is 19 to 57.