exam Maths Puzzle Numerical Ability

(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??

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A discount grocery store offers two types of memberships with annual memebership fees of $25 and $100. With the $25 membership, you get the regular discount. With the $100 membe Tutor Stan (15168) could you help me please? You previously showed me how to do this problem Find a linear functon g given g(-1/4)= -6 and g(2)=3
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