Which trinomials are perfect square trinomials? Select each correct answer.

a^2+15a+75
a^2+4a+16
a^2+14a+49
a^2+26a+169

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Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.