X+ y = 21 3y + x = 19 which value of x is part of a solution to this system of equations?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.