Which point (x, y) is a solution to the system of linear equations? pls i need help it is for a test :)

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?