In the triangle, what is cos 30°? give your answer in simplest radical form. rationalize the denominator if necessary. watch this video to review trigonometric ratios.

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis