Let V=ℝ3 and let H be the subset of V of all points on the plane 7x−3y+6z=−21. Is H a subspace of the vector space V?

With: label the vertices and all the elements needed. find x

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent