exam Maths Puzzle Numerical Ability

A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed
a mean purchase of $5.29 with a standard deviation of $3.02. For the October 26 eveni

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exam Other Question
the problem is 1.2x-3.5=x+1.7 Simplify. (Multiply)

( -5 {{{ sqrt x + sqrt y }}} )({{{ sqrt (x-4) sqrt (y)}}} )