exam Maths Puzzle Numerical Ability

change 7 1over4 to an improper fraction

Read Solution (Total 0)

exam Other Question

Factor.

-12x^3+36x^2

For some reason I cannot get this one to come out. Can you help?
Show that the points D(-1,-2),E(2,1) and F(-3,6) are the vertices of a right triangle.