3. if set a = {-5, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8}
set b = { x: x= 2y +1 and ye w}
find (1) a-b and n(a-b), (ii) b - a and n(b - a) answer it with steps and details, !

If δmtv is reflected across the y-axis, what are the resulting coordinates of point m? a) (-2, 5) b) (-5, 2) c) (5, -2) d) (-2, -5)

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

What is always true when two whole numbers are subtracted?