If the expected value of the sample statistic is equal to the population parameter being estimated, the sample statistic is said to .

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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

Solve the triangle. a = 21°, c = 105°, c = 5