Cos320°. cos20°+sin140°. sin200°

How do we get an answer of 1/2​

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

9is the geometric mean between x and 12