Terms: -7w, w
Coefficients: -7, 1, 5, 2
Constants: 4
Like terms: 5w^2 and 2w^2; w and -7w
Coefficients are the single numbers before the variable
like terms are terms that are similar and can be added together (you can’t add 5w^2 and -7w because one has an exponent)
constants are numbers by themselves that don’t have a variable
Terms are numbers that have a single variable without an exponent. 5w^2 is not a term because it has an exponent. -7w is a term because it doesn’t have an exponent.
Hope that helps!