Which algebraic expressions are polynomials? check all that apply.

pi x minus startroot 3 endroot + 5 y
x2y 2 – 4x3 + 12y
startfraction 4 over x endfraction – x2
– 16
3.9x3 – 4.1x2 + 7.3

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step-by-step explanation:

answer: 48

just remember to use pemdas:

parentheses

expressions

multiplication

division

addition

subtraction

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question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )