Which compound inequality has no solution? –2 < x and 2x + 6 < 14
4 < x and 6x – 11 < 14
10 < x and 2x – 3 < 14
14 < x and 0.5x + 6 < 14

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

If the value of cos330°is√3/2 then find cos 165°.