The measure of angle θ is 7pi/6 . The measure of its reference angle is __ ° , and sin θ is __ .

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?