If the radious of a ceratain circle is tripled with 8.2 cm then added, the result is the circumgrence fo the circle. find the radius of the circle

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Two lines parallel to the same plane are parallel to eachother

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