2m-2n+12n-15m+4 A.) How many terms are there? B.) How many variable terms are there? C.) What are the variables in the variable terms? D.) What are the coefficients? E.) How many constant terms? F.) What are the constant terms?

.) There are 5 terms in the expression: $2m$, $-2n$, $12n$, $-15m$, and $4$.<br /><br />B.) There are 3 variable terms in the expression: $2m$, $-2n$, and $12n$.<br /><br />C.) The variables in the variable terms are $m$ and $n$.<br /><br />D.) The coefficients are the numbers in front of the variables. For the variable terms $2m$, $-2n$, and $12n$, the coefficients are $2$, $-2$, and $12$ respectively.<br /><br />E.) There is 1 constant term in the expression, which is $4$.<br /><br />F.) The constant term is $4$.