exam Maths Puzzle Numerical Ability

Factor trinomials.
2x^2+7x-15
(2x )(7x )
How?

Read Solution (Total 0)

exam Other Question

(4 sqrt s + 11 sqrt t)(4 sqrt s - 11 sqrt t)

To me, this is a difference of squares. How is the anser written?? Find the area of ∆ABC if A=56�, b=20 ft, and c=12 ft. Round to the nearest tenth.

Thanks