Find the first term and the common difference of the arithmetic sequence.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Ten times the square of a non-zero number is eqaul to ninety times the number

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