Heyy! Can someone help me find the value of x please?? ​

Which expression is equivalent to? assume x > 0 and y > 0.

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?

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.