MN = 10 in was dilated by a scale factor of 0.4 with respect to the origin forming overline M^ prime N^ prime What is the length of segment M^ prime N^ prime and will the two segments be parallel or perpendicular?

In the diagram below, dab and dac are adjacent angles. if mdac = 25°, what is mdab in degrees? what is mbac in degrees?

Which best explains why this triangle is or is not a right triangle?

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap