In AKLM, KM is extended through point M to point N, mZMKL = (3x+19)°, m LMN = (7x + 5)°, and
mZKLM (2x + 8)°. What is the value of x?

(hurry! ) which expression is equivalent to the following complex fraction?

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.

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?