Which expression is equivalent to 2cos2(StartFraction x Over 2 EndFraction) minus cosine (x)?

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1