If x+y=3 , x²+y²=5 then xy is what pls answer me if you then i will mark you brainlist step by step

Xy is (1,2) because 1+2=3 and 1^2+2^2=5 therefor ur answer is xy= (1,2)

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20

Ineed on quadratic equations to solve problems