1. **Identify the numerical coefficient, variable, and constant term in each expression:** - a) $3x + 2$ - Numerical coefficient: 3 - Variable: $x$ - Constant term: 2 - b) $5n$ - Numerical coefficient: 5 - Variable: $n$ - Constant term: 0 (none) - c) $w + 3$ - Numerical coefficient: 1 (implied) - Variable: $w$ - Constant term: 3 - d) $2p + 4$ - Numerical coefficient: 2 - Variable: $p$ - Constant term: 4 **Explanation:** - The numerical coefficient is the number multiplying the variable. - The variable is the letter representing an unknown number. - The constant term is a number without a variable. **Final answers:** - a) Coefficient: 3, Variable: $x$, Constant: 2 - b) Coefficient: 5, Variable: $n$, Constant: 0 - c) Coefficient: 1, Variable: $w$, Constant: 3 - d) Coefficient: 2, Variable: $p$, Constant: 4