to get an A on inequalities quiz, you need to score at least 50 points on a two-part test. you score 39 on the first part. what solution set represents how many more points you need?

If value of cos330° is √3/2 then find tan165°.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution