Each greater than 2/5 with a product less than 2/5

What are correct trigonometric ratios that could be used to determine the length of ln

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36