book Maths Puzzle Numerical Ability

what is the answer to this??? 5(9+3)-3(4)

Read Solution (Total 0)

book Other Question

I have a trig. problem that I hope someone can help me with.
Sec2Csc2 - Sec2 - Csc2 + 1
There is a triangle that has a line intersecting the interior of the triangle that is parallel to the base. The triangle is labeled starting at the top down the right side and goi