Which expression is equivalent to( 9x^2+2x-)a.(9x^2+2x-7)(x)+(9x^2+2x- 7)(x-4)b. x(9x^2+2x-7)-4c.-4x(9x^2+2x-7)d. x(9x^2+2x-7)+4(9x^2+2x-7)

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:

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Multiply sixth of sixty six by a half of ten show step by step method