exam Maths Puzzle Numerical Ability

Please help me find the volume, to the nearest tenth, of a pyramid that is 6 feet tall and whose base is an equilateral triangle with sides each 10 feet long?

Read Solution (Total 0)

exam Other Question
3+4(2+5)=3 FOIL:

I understand how to do this. I just need a sanity check.

(a+7)(a-5)
My answer is this
a^2-2a+35