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1) 3 as the term x^3 contains 3 in the power. That is the highest power of variable in that expression.

2) highest power of y is 2. so 2 3) 1 as the higheest power of the terms there is t^1 4) 3 is a constant. so the degree of the expression is 0. ================ a) x^2 is the highest power => quadratic expression or polynomial b. x^5 is the highest power: so a polynomial of degree 5. c) quadratic as y^2 is the highest power term d. linear as the highest power term is x^1 e. t^1 is the highest power.. so 1 f. r^2 : 2 is the highest power.. so 2 g. x^2 is the highest power.. so quadratic expressionor polynomial.