Apoint is placed at 3 on the number line which number is 5 less than 3

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

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