What is the coefficient of the 2nd degree
term in this polynomial?
x² + 2x - 5

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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.

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°