What is the best method to solve -2+4k^2=-15

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

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

What is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q