What is the simplified form of this expression? (-3x^2 + x + 5) - (4x^2 - 2x)
x^2 - x+ 5
-x^2 + 3x - 11
7x^2+ 3-5
-7x^2+ 3x + 5

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible