Find the value of QS

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

The point (-7, -24) is on the terminal ray of angle 0 which is in standard position. a student found the six trigonometric values for angle e. the student's answers are shown. which value(s) are incorrect? sin(8) cos(8) 24 tan(0) sin(0)=25 cos(0) -- tan(ⓡ) - - 24 csc(o)=2 sec(0) --25 cot(6) - za csc(o) sec(0) cot(0) done

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20