Factor the expression.
4b^2-11b-3
a. (4b-3)(b-1)
b. (4b+1)(b-3)
c. (2b+1)(2b-3)
d. (2b+1)(2b+3)

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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