Express the fractions 1/2, 3/16, and 7/8 with an lcd

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

What’s the volume of the triangular prism?