Sophia packed a right rectangular prism with 210 unit cubes. If Mia multiplied the edge lengths of the same prism to find the volume, what should her answer be in cubic units?

Right ∆abc has coordinates a(-7, 3), b( -7, 10), and c(-1, 3). the triangle is reflected over the x - axis and then reflected again over the y - axis to create ∆a'b'c'. which are the coordinates of vertex a'?