Solve the equations for x and match the solutions. X=a/6 x=-6/a x=3/a x=-3/a x=a/6 x=-a/6 x=6/a 7+2ax=13 -ax-20=-14 4=6/a+5 pls help me

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What is 140% of 25? because i need