exam Maths Puzzle Numerical Ability

I am not sure if you would use the foil method to answer this question or not.
(2x-y)*2. (*2 means squared)
I am confused on this question. I would really appreciate your help. Thanks

Read Solution (Total 0)

exam Other Question
Given A = 7 (neg) -2 1
3 5 0
-1 4 (neg)-6


I say neg becaues it is not minus the #

and B =
2 (neg)-3 neg -4
6 0 neg -2

-5 ISBN0618372628

One angle in a triangle is a right angle, and one angle is equal to 30. What is the measurement of the third angle?