Use summation notation to write the series 2 + 4 + 6 + 8 + for 10 terms.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

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